jueves, noviembre 05, 2009

Colgarse a Internet con un celular. (Tethering)

November 5, 2009.
Tethering
From Wikipedia, the free encyclopedia

Tethering is using a mobile device to gain Internet access for another device.[1]

Tethering works by connecting a device that can access the Internet, to another device that cannot. This can be done through Bluetooth wireless technology or cables (such as USB), allowing the device without built-in access to connect to the Internet, using the connected device as a modem.

Tethering has been used to gain access to the Internet since mobile devices started using their networks to give users Internet access, but has increased in prevalence due to Internet connectivity in modern cell phones and laptops.

Initially, tethering was conducted primarily through USB or other cables. Since most modern cell phones are Bluetooth-enabled, however, wireless tethering through Bluetooth has largely replaced cable tethering.[citation needed]


Practice

Although many businesses set up free Wi-Fi access to the Internet for anyone to use, tethering can still be useful.

Many business people can tether their cell phone to their PDA when their employer will not pay for a Smartphone but will pay for mobile phone data access.

Users thus connected can use this method to check their e-mail or otherwise use the Internet anywhere they can obtain a cell phone connection. People who are unable to afford a wireless card may use tethering to gain access to the Internet.

Although tethering is often a simple process, in some countries it may void a phone's warranty or violate the terms of a cellular service plan. Mobile device tethering is very similar to laptop tethering; a cell phone provides Internet access for a PDA or other mobile device that lacks access.

References

[1] "What Does Tethering Mean?". About.com.

http://mobileoffice.about.com/od/usingyourphone/f/tethering.htm.

Retrieved 2009-05-07.
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jueves, octubre 29, 2009

El reto digital en Colombia es la productividad

 
 
Greetings--
Vicente Aragon thinks this article will be of interest to you:
 
Enjoy.
 
comentario VAAD:
Antes de concentrarnos en los avances tecnologicos que nos llegan todos los dias, primero que todo tenemos que romper el egoista paradigma de: la informacion entre mas la guardemos los empresarios, mas poder nos da para "aniquilar" la competencia, .
Considero que para que una cadena productiva tenga el 100% de efectividad, es imperativo que haya un TOTAL flujo de informacion entre los diferentes eslabones e internet es el medio perfecto para optimizar este flujo, en tiempos y economias.
Asimismo, para que este flujo sea TOTAL y  produzca resultados gana-gana para  todos los actores de la cadena, debe de existir una absoluta CONFIANZA para compartir la informacion entre ellos. (Aqui esta el quid de nuestro poco uso de los TICS para la productividad empresarial !!!!).
Los empresarios colombianos tenemos todos los "fierros" de la tecnologia global a nuestra disposicion; tenemos que empezar a aprovecharla rompiendo paradigmas de un capitalismo basado solo en ventas y no en utilidades y resultados.

> --
>
http://tecno.elespectador.com
>

jueves, septiembre 03, 2009

5 consejos para "evangelistas" varados.


9:00 AM Friday August 28, 2009
5 Tips for Stranded Evangelists
by Alexandra Samuel


"I don't think my boss really gets this project. I mean, he still thinks social media is all about marketing! And I'm so tired of fighting to do it right."

This is the hymn of the Stranded Evangelist: the person who is taking a company or organization into new territory, territory that makes other people (especially the ones in charge) incredibly uncomfortable.

As a social media consultant, I've worked with lots of these stranded evangelists who had the insight to see that online community and social media were the way of the future, and the nerve to advocate for that kind of innovation.

Stranded evangelists exist at the frontier of any kind of innovation or new field. It's an uncomfortable role. The stranded evangelist spends a lot of time arguing, a lot of time building a case, and a lot of time feeling like the company and the bosses don't understand what's important.

Still every stranded evangelist I've worked with has gone on to incredible success in their organization.

They've won huge promotions or bigger jobs with better companies because while their organizations may go along grudgingly, they go along.

Successful organizations are driven by just these kinds of innovators: the people who see around the next curve, and are willing to push the organization in that direction.



Whether you're pushing for social media or for a completely different kind of business innovation, social media can help you take the stranded evangelist's path to success. Here's how:

  1. Look ahead of the curve. If you're relying on print publications to keep up-to-date in your field, you're guaranteed to be 3-6 months behind. Track the keywords for your field in delicious and keep an eye on the pages and blog posts that are being frequently bookmarked. Find the top bloggers--the people whose ideas are too edgy to make it into the mainstream quite yet--and read them regularly. Participate in webinars geared to top thinkers in your field. Follow twitterers who are posting innovative ideas and links. Cast a wide net until you find the smart, challenging voices that inspire you to think in new ways.
  2. Don't tell people what they want to hear. Most of us spend a lot of time telling people what they want to hear--in meetings, in conversation, and on our blogs or tweets. But real innovators aren't afraid to stick their necks out and say or tweet what they really think. Use your own blog, LinkedIn page or tweets to increase your comfort saying the unexpected (or the unwelcome) and to build your skill at diplomatic dissent. Practice (respectful, sensitive) truth-telling in personal conversations online as a way of building your courage for professional truth-telling offline.
  3. Follow your heart. If you try to think your way to the leading edge, you're doomed. The volume of ideas and information online makes it virtually impossible to sift and analyze your way to the very best of the best. There always will be a new new thing, and in my experience, searching for the bleeding edge is just a recipe for blood loss. We jumped into Second Life the way we've seen others jump into social media ("gotta get me some social media!") and ended up spending thousands of dollars on a software project that never saw the light of day. We've done much better since we stopped worrying about what "web 3.0" might turn out to be, and focused on innovating where we're passionate: social media. Follow your passions and instincts, and you'll naturally be drawn to the areas of innovation that suit you.
  4. Get un-stranded. You may be the only one in your company who "gets it", but that doesn't mean you're alone. Look for the people in your industry or field who are blogging or twittering about the kinds of innovation you're advocating. Comment on their blog posts, or better yet, write your own blog post in response. Retweet their innovative ideas or respond by twittering your own.
  5. Hire a buddy. You wouldn't swim alone; you don't need to evangelize alone, either. Dig into that network for an employee, consultant or colleague who can back you up when it's time to make your case. LinkedIn and Twitter are both great places to discover people in (or outside) your organization who will help build the case for innovation.

It takes insight, courage and diplomacy to be a stranded evangelist for any kind of innovation. Just remember: today's stranded evangelist is tomorrow's visionary and respected leader.

Copyright © 2009 Harvard Business School Publishing Corporation.
All rights reserved.
COPYRIGHT © 2008 DePapaya.com
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martes, julio 21, 2009

SIG-Soluciones = mapas + información


Julio 20, 2009
Soluciones = mapas + información
Guillermo Santos Calderón

OPINION


Mapfront Manager y Mapfront Triplog productos/servicios SIG por Geinsys/DePapaya

En el sector de la tecnología, muchas veces se pasan por alto innovaciones muy importantes, que por su propia naturaleza se ven como especializadas o de nicho, cuando no lo son. Eso era lo que creía sobre todo lo que tenía que ver con la cartografía y elementos relacionados. En mi caso, lo único que tenía que ver con ellos eran los mapas y los GPS o sistemas de posicionamiento global.

En un evento celebrado la semana pasada en San Diego (California), organizado por la empresa ESRI, líder en el mundo en el tema de GIS -sistemas de información geográfica- y representado en Colombia por Procálculo Prosis, pude apreciar cómo se puede administrar mucho mejor la información siempre y cuando se encuentre ubicada sobre mapas.

Imagínense un mapa de Colombia al que se le sobrepone la capa de información de niños de bajos recursos con dificultades para ir al colegio y luego se le agrega la capa de escuelas públicas ubicadas en el territorio nacional. Inmediatamente, y sin mucho esfuerzo, se podría saber si los colegios estatales se encuentran ubicados cerca de esa población y cuánto se podrían demorar los niños en llegar a la más cercana. Si sobre esas capas de información se le agrega la de servicios de transporte y la de carreteras, se podría saber muy claramente si para poder asistir a clases existen posibilidades de transporte o si toca caminar por la selva o cruzando por cables entre montes, como se ha confirmado que se hace en algunos sitios.

Con este ejemplo sólo pretendo ilustrar los beneficios que la tecnología SIG -sistemas de información geográficos- le puede traer al país. Un mejor ordenamiento territorial, tema en el que el Instituto Geográfico Agustín Codazzi está trabajando intensamente y con éxito, una mejor visualización de la información ubicada sobre mapas y cuya relación, al verla visualmente en los sitios en los que está ocurriendo, permite que se tomen mejores decisiones, son apenas unos pocos beneficios de esta tecnología. ¿Qué tal ofrecer por Internet mapas de las principales ciudades de Colombia en los que se puedan ver los sitios de mayor criminalidad junto con los CAI más cercanos?

Este es, sin duda, un tema que requiere un mayor espacio para explicarlo bien. Sin embargo, es importante que se abran los ojos para visualizar las inmensas posibilidades que se obtienen al usar sistemas de información geográficos para la toma de decisiones. Al fin y al cabo, información es algo sobre un hecho que sucede en algún sitio, y poderla ver sobre un mapa es lo ideal ver lo que está pasando.

guisan@eltiempo.com.co


COPYRIGHT © 2008 CASA EDITORIAL EL TIEMPO S.A.
Prohibida su reproducción total o parcial, así como su traducción a cualquier idioma sin autorización escrita de su titular.
Reproduction in whole or in part, or translation without written permission is prohibited. All rights reserved.

COPYRIGHT © 2007 DePapaya.com
Reproduction in whole or in part, without written permission is prohibited.
All rights reserved.

lunes, julio 06, 2009

Nuevo Router WiFi Dlink DIR-685. Tan completo cómo enloquecedor.

State of the Art
A Router So Complete, and Vexing
By DAVID POGUE
Published: July 1, 2009

Stuart Goldenberg

Even before someone coined the term "mashup," mashups were popular in the technology world. Some are made in heaven, and are now standard pairings: clock+radio, refrigerator+freezer, cellphone+camera.

Others are still on the early-adopter fringe: TV+Internet, camera+Internet, fridge+Internet.

This month, D-Link, the networking equipment company, will offer a mashup that nobody's ever tried before: wireless router + home backup hard drive + digital picture frame. That, in a nutshell, is the D-Link DIR-685 ($300 list price).

The 685's heart is in the right place. Its inventors have noticed that our high-tech homes are becoming cluttered with network-related gadgets and their associated cable creep. As long as people are going to buy all these different network gadgets, D-Link figures, why not combine them into one?

It's the right idea. Unfortunately, D-Link is the wrong company to make it a reality.

First, the good news: once you get the 685 set up, it works very well indeed. It broadcasts your Internet connection wirelessly — a fast, strong Wi-Fi signal (802.11n). This single router turned my entire house into a Wi-Fi hot spot, thanks to its ability to blast through floors and walls. I was even getting three bars of signal (out of a possible four) all the way upstairs.

Every conceivable home router feature is on this machine's configuration screens: port forwarding, Application Rules, individual Web site blocking, a sophisticated firewall, UPnP, Multicast Streams, Wake on LAN, users and groups, network access lists, scheduled lockouts, logs, security formats like WPA and WEP, remote management and much, much more. (And no, I'm not going to define those. If you're among the geeks D-Link is apparently courting with this router, you know perfectly well what those things are.)

But you can get a much less expensive router with those features. The 685's selling point is that it has some unique tricks up its sleeve.

One of them is a tiny (3.2 inch) color screen. It's useful for inspecting the router's settings, but it can also display dozens of Internet information widgets: weather, New York Times headlines, stocks, sports scores, stocks, Twitter posts and — delightfully — photos from your Flickr or Facebook accounts. It's as if your router is now a Chumby, if you remember that desktop gadget.

(Too bad you can't make the screen show you exactly what other people in the house or office are downloading or reading online. Now that would be an interesting feature.)

The 685's case is so attractive (its antennas are concealed inside), and its widget feature is so cool that you might be tempted to set the thing on your desk and glance at its parade of Internet info-bits throughout the day. Unfortunately, nobody will do that; this thing has a really, really loud fan. If you're close enough to the router to see your photos and widgets, you're also close enough to be driven mad by its jet-engine whirring. Bedroom placement is out of the question.

The 685 also has a slot on the side for a hard drive, which is not included. That's O.K.; that way, you can buy your own hard drive online, in the capacity you desire. (Shop for a "2.5-inch SATA" hard drive.) Once you click it into place, the router's screen offers you the chance to format the hard drive, and you're off and running.

Why would you want a hard drive in your Wi-Fi base station? Because now it's a NAS drive (network-attached storage), which is geek-speak for "a hard drive that every computer in the house can access at once, wirelessly."

For example, the whole family can use it as a backup hard drive. You can use it as a central storage repository for files that everybody needs — including, intriguingly, your whole family's iTunes music collection. That's right: put your iTunes folder on this drive, and now all computers can play whatever music is in it. The router's name shows up at the left side of the iTunes window as if it's an iPod, which is very cool.

You can even teach the 685 to download BitTorrent files in your absence. That's right, software pirates, you can have it download huge TV and movie files even while you and your laptop are out of the house. You have to know the Web address of the file you want, and you have to paste that into the router's extremely technical configuration pages in your Web browser. But once you do that, you can go away, confident that the downloaded files will be on the D-Link's hard drive when you return.

The cherry on top is a feature called SharePort. It lets you connect a U.S.B. scanner, hard drive or printer — and once you do, any Mac or PC on the wireless network can use it.

All of this is great, right? So what's the problem?

User-friendliness is the problem. Frankly, you'd have better luck figuring out how to fly the Space Shuttle.




The frustration begins with the bright orange sticker that's been slapped across the network jacks on the back. The sticker says "STOP — Do not proceed until you've run the setup software CD."

What's wrong with that? Three things. First, it's directing you to work through a multistep, complex, user-hostile procedure — wiring the D-Link router to a PC that already has a wired Internet connection, then running the pointlessly protracted installation software — that's actually unnecessary. The router works just by plugging it into power and your modem.

Second, the setup software CD works only on Windows — no Macs or Linux, thank you. D-Link doesn't mention this limitation on the box, on the setup sheet or even on the CD itself.

Third, when you finally try to remove the orange sticker, it shreds, leaving gummy residue and paper fragments precisely where they shouldn't be: in the Ethernet jacks.

It goes on. For example, the Quick Start sheet instructs you to connect a cable to the router's WAN port — but that port is not identified anywhere. There are five identical featureless and unlabeled Ethernet jacks on the router. Which one's the WAN port? Let's play Ethernet roulette!

Above all — and this is the mind-blowing part — D-Link is selling this very complex piece of consumer technology without a single word of instructions for the features that make it unique.

Those cool features like sharing a hard drive, sharing an iTunes library, downloading BitTorrent, connecting a U.S.B. scanner or printer that all computers can share? There's not a single syllable about them in the user guide.

The user guide is a PDF document on the CD — you don't get a printed book, of course — so what would it have cost D-Link to write up these features?

D-Link's PR person suggested that the elusive instructions might be on the company's Web site. (They weren't.) In the end, it took a D-Link product manager a day to figure out how to work these features himself and supply me with the instructions. He says that he'll have them posted on D-Link's Web site by the time the 685 goes on sale. (Caution: They entail mucking around in the router's advanced HTML-based configuration pages. Technophobes need not apply.)

Isn't it amazing that, after all these years, it still hasn't dawned on companies like D-Link that simplicity sells? They still don't get it: spending a little money up front —on hardware design, streamlined software, better manuals — would save a fortune in tech-support calls and store returns.

Not that D-Link is spending much on tech support anyway; my call was answered by clueless agents in a call center who gave me incorrect instructions. And reaching them involves the silliest phone menu in existence. After you dial the technical support phone number listed on the Quick Start guide, the options begin: "For priority VARs, press 9..."

In short, D-Link has gone to the considerable expense of inventing, designing and marketing a smart machine that could save a lot of people a lot of cost and complexity — and then hobbled it by making it much too cryptic and technical for 90 percent of its potential audience.

The DIR-685, in other words, is a very cool mashup — but at the moment, it's also a bit mashed up.


E-mail: pogue@nytimes.com


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