Here's a telling sign of the popularity of iPhone development: we posted about an online course being offered by Stanford just a few months ago, and in that time, the course has been downloaded over a million times through iTunes. The director of iTunes U at Apple says this is the fastest any course has ever hit the million mark.

Only those attending Stanford will get credit for completing the 10-week course, but the material is available to the public right there in iTunes. And of course there are lots of ways to learn how to make apps on the iPhone -- Auntie TUAW has answered that question, and we've even got an iPhone Dev 101 series to help you wrap your mind around all of it. The iPhone itself seems made for newbies, and considering that there's apparently lots of money to be had in Ye Olde App Store, it's no surprise that people are flocking in huge numbers to the documentation.

Whether any of those apps are any good, of course, is still up in the air. But who knows -- someone who starts with the free iTunes U course might one day be a game-changing designer. There's got to be at least one winner in those million downloaders, right?

This article was originally published on Tuaw.
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