For a handful of invited users, Diaspora is now open for business. Diaspora is an open-source alternative to Facebook.

Have you ever wondered why you have to replace rechargeable batteries? This article explains why batteries don’t last forever.

Maybe, eventually, you’ll be able to roll up your e-reader to swat at flies. Thin, flexible screens may be available as early as next year for smaller devices.

Electric Pocket Limited has released a universal version of its BugMe! sticky ink notes and alarms app, for iPhone, iPod touch and iPad devices. The new version improves support for posting notes on Twitter and makes it possible to access BugMe! notes on the desktop using iTunes file-sharing.

Do you think you have what it takes to work for Gizmodo? If so, they’re looking for interns able to commit at least 20 hours a week.

The Eee Note EA800 is a Linux-based e-reader that lets you take notes but doesn’t offer either a color display or Adobe Flash. It’s slim, has a hi-resolution gray-scale display, and claims a long battery life.

If you updated to iOS 4.2 yesterday, you may have noticed a problem with your music, videos, audio books, and podcasts. They may seem to have gone missing. This article provides the steps you need to take to get them back.

iOS 4.2 is now available for download. With it come some new features and a number of updates. This article includes a 3-minute video showing AirPlay and AirPrint in use.

This book, “20 Things I Learned About Browsers and the Web”, written by the Google Chrome team explains such things as cloud computing, HTML5, and more to the curious. The e-book can be downloaded or read on line.

It’s small, uses Android 2.2, Viewsonic technology, but maybe not small enough to fit in your pocket comfortably. This review includes the technical specifications for the ViewPad.