Dr. Mark Gasson implanted an infected RFID chip in his hand and claimed the virus was able to infect other systems. Sophos says otherwise.

As “security software” LANrev, also called Absolute Manage, leaves something to be desired. It seems access codes are based on an easily guessed algorithm.

Mike Hendrickson and Brian Sawyer, the authors of this book, have picked more than 200 apps and games to test and recommend to Android users. They provide information and tips on each app to help you pick what’s best for you.

Technology for color displays on e-readers isn’t yet available. While you can buy devices that use color LCD displays, they aren’t as long-lived as the eInk displays.

Using a chip similar to those used for pet IDs, Dr Mark Gasson contaminated the chip with a computer virus and inserted in into his hand. In tests, the virus was able to pass itself to other systems. This page includes a 3-minute video.

Twitter is much maligned, or maybe not. It has spread rumors, faster than most wildfires. It helped find people trapped in the Haitian quake. And. It provides real-time trending information to researchers.

Douglas Adams, author of “The Hitchhiker’s Guide to the Galaxy”, died May 14, 2001. May 25, “Towel Day”, has become the day for honoring the memory of the author and his creations. Don’t forget your towel.

The Streak tablet from Dell will run Android on a 1-GHz processor. Other features include Bluetooth, a camera with LED flash, and 3G. It’s expected to be available in June, in the U.K.

The iPad goes international at the end of this week. For those in Europe, and possibly beyond, this article offers some tips on getting your iPad connected to the local grid.

If you don’t like the idea of people being able to “eavesdrop” on your searches, Google now offers encrypted search.