|
lunes, junio 04, 2007
Lobby de Colombia para salvar TLC con EE.UU.
Las prácticas profesionales entran a la era virtual WSJ
|
domingo, junio 03, 2007
El desafío de la calidad de vida
|
Plug in de Google,"Gears", para trabajar offline con TIC's Web 2.0.
NEWS |
Google Gears takes Web apps offline, starting with Google Reader By Martin LaMonica May 31, 2007, 9:51 AM PDT |
|
Google on Thursday at its Developer Day announced Google Gears, a browser plug-in that lets people run Web applications offline. The first application to use Google Gears is Google Reader, its Web-based RSS feed reading application. The download for the Google Gears beta is quick--the files are less than 1MB in size. Once you have it installed, the Web application you're connecting to asks you whether you want to allow it to store data locally. Here's a news story with more details, including the technology architecture of Google Gears. Although it stayed away from making specific commitments, we can expect Google to bring this offline capability to Gmail and Google Docs & Spreadsheets. Linus Upson, the engineering director at Google who briefed me on Google Gears, said that Google created the plug-in because its application customers were unhappy about not being able to work offline. It's true that people for years have tried to make Web applications work in offline scenarios, the most oft-cited one being "when you're on a plane." But it appears that Google Gears has the potential to become truly widespread. |
|
Why? Well, it's Google. By doing the hard work of Ajax programming back in 2005 on Google Maps, they helped popularize Ajax by showing people what's possible. Creating a generic method for taking Web applications offline is hard work, too, and they've taken a comprehensive approach while making it all just JavaScript APIs and thus, accessible to Ajax programmers. Assuming, of course, that it actually works. Another benefit to Google's approach--which uses a local Web server and the open-source SQLite database for storage--is that it will let a Web application work when network connections are intermittent or a server gets bogged down. Also, they're taking a pragmatic approach to getting the software accepted. It's an open-source plug-in so people can use it right away and they've partnered with the Mozilla Corporation and Adobe to make sure it meshes with their plans around Firefox and Apollo. (See ZDNet David Berlind's blog for more details on Adobe's plans to also use SQLite database on Apollo.) We're now in a situation where there are a few plug-ins coming to the market, all of which offer something compelling--Adobe's Apollo for desktop Web applications, Microsoft's Silverlightfor media-rich Web applications and now Google Gears. In each case, whether they take off will hinge a lot on the content that's available for each format--and getting developers to commit. |
Aspectos técnicos del Street View de Google.
Hands-On |
The tech behind Google's Street View By Josh Lowensohn May 31, 2007, 3:11 PM PDT |
|
I spent a good part of yesterday tooling around with the new Google Maps Street View feature. |
|
One of my big questions whenever these photographic services come out, is how often the imagery gets updated. I had a meeting earlier in the week with the folks from DigitalGlobe, who provide satellite imagery for Google Earth, and several other private and commercial services. They explained that the aerial and satellite maps we see on these services are generally completely redone every year, with the more populated areas getting more frequent flyovers and subsequent refreshes. In comparison, the level of detail and proportionate work that goes into the tech behind Street View is very resource-intensive. According to Immersive Media, they're typically on the road capturing imagery and data 46 hours a day using multiple vehicles with the mounted cameras. Daniel Terdiman had an interesting post yesterday about some of the minute details these images have captured, and the inherent security issues. Wired is currently running a best finds contest, and earlier today Mashable posted several user-submitted findings that contain some of the more interesting photos found on the service. One of the discoveries I've made is a relatively easy way to tell how old these photos are: gas prices. In the case of the Street View photo that's at my nearest station, they're selling a gallon of regular for $2.67--this was obviously taken in better times, and using this site we can pin it down to around August of last year. In other cases, the camera might have captured an electronic sign on a bank, or billboard. While Street View is really neat, what I'd like to see more than anything is using these photos to enhance driving directions, as it's often easier to spot an exit or street to turn on based on what it looks like rather than rely on tiny little green signs. Considering that the data has come from video footage, a quick highlight reel of turns wouldn't be so bad either. |
Nuevos TIC's de Google, Street View y Mapplets.
Field Report |
Google launches Street View & Mapplets. By Josh Lowensohn May 29, 2007, 10:02 AM PDT |
|
This morning Google added Street View, an all new way to browse Google Maps. |
|
Google also announced the launch of Mapplets, which joins the My Maps feature they launched in early April. |