Basically, fragmentation is still a problem especially if your app is CPU or GPU intensive.

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Two million iPhones sold in three days. But because there wasn't country-wide riots like previous iPhone releases, the press thinks it's a flop.

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This affects the Samsung Galaxy S2, S3, and Note 2. It gives malicious apps downloaded from the Play store root access to your phone and all your data.

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I'm sure the press is straight onto this story like the similar one about Apple Maps a few days ago. Any moment now.

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Horace Dediu on John Sculley's speculation that Apple is moving to a six-month product cycle.

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Craig Hockenberry writes about the behind the scenes of the latest version of the original Twitter app, Twitterrific 5.

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Google demonstration how to discontinue a free service while sugarcoating the announcement.

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The worst UI "feature" in Android is it's back button. It feels like a superfluous addition from the days when Android was more like Blackberry. iOS lets apps display their own back button in their UI, and results in a much less confusing experience for the user. The problem is, can Android handle the removal of all the permanent buttons, especially the back and menu button, when so many apps depend on them?

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Anand has found that recent builds of Webkit nightly have drastically better scrolling performance than Safari 6.0.2.

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Brett Terpstra offers some sound advice for developers releasing a new app.

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Jakob Nielsen points out many usability problems with Windows 8.

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MG Siegler rightly points out Engadget's pandering to comment trolls by trying to "remain neutral" on an editorial post.

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