So far he's shown a good grasp of Twitter etiquette in his five tweets, replying to 'slebs Ashton Kutcher and Ryan Seacrest; retweeting successfully twice, and even has a spiffy background wallpaper and profile pic.

But hey Bill, might I suggest you download a Twitter client for your WinMo phone though, and follow some of these decidedly good-looking avatars? [Bill Gates on Twitter]

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