Now that the number of App Store downloads to iPhones, iPod touches, and iPads around the world has handily exceeded the population of Planet Earth, we can hopefully put this story to bed until they hit another factor of ten -- and as unreasonable as 100 billion downloads sounds, we'll bet it actually won't take that long. That's right: just a few days after kicking off its online counter, Apple's officially hit the 10 billion mark, which is a whole lot of software any way you slice it. So, Android Market, you're next?