In addition to blogging here at Traffic Circle 2.0, I also blog on technology subjects at Amazon.com. Here’s a collection of my recent technology posts:

• A Japanese technology company is offering a great free Sidebar gadget you can use in Windows Vista to compare your system’s performance to others and to help you plan system upgrades. See Using Vista’s Windows Experience Index to Plan Your Next Upgrade to learn more.

• Put full-motion video on your Windows Vista Ultimate edition desktop as wallpaper with the newest Ultimate Extra, Dream Scene Preview, in More Vista Ultimate Extras.

• If you’re learning Spanish and want a unique way to polish your skills and learn home networking at the same time, check out the Spanish-language version of my Absolute Beginner’s Guide to Home Networking. See The Spanish/English Home Networking Connection for more information.

• I contributed five chapters to Special Edition Using Microsoft Windows Vista, the latest volume in a long and respected series from Windows experts Bob Cowart and Brian Knittel. For details, see Vista, Vista Everywhere…Part 1.

• Windows Vista Ultimate edition users get free utility and other programs through the Ultimate Extras feature. Learn more about the first two (a BitLocker full-disk encryption setup program and a Texas-style poker game) with Windows Vista Ultimate Extras Now on Tap.

• Who’s the most likely suspect in a cyber-crime case? Discover the answer with Who Is Sabotaging IT Installations – It’s Wally!

• I’ve written two books on do-it-yourself PC diagnosis and repair: PC Help Desk in a Book and Leo Laporte’s PC Help Desk. Confused? Read Battle of the PC Help Desk Titles to learn which book’s the best for you.

I’ve also written a Viewpoint op-ed for BusinessWeek.com recently: Getting the Skinny on Vista Security. Read it to learn how Microsoft is finally taking security seriously, and the missing pieces you need to provide when you install Vista.