Now, five years ago today, iPhone users began to download apps.
It might not seem like much, but the opening of the App Store, it was a milestone, turning handsets from simply being phones into the handheld computers they are today.
Now, first, let's remind you what the iPhone was like when it came out back in 2007.
No Facebook, no Angry Birds, no Skype, just the basic apps that came with the phone.
Now, the App Store allowed you to change what your device could do.
And suddenly your phone wasn't just a phone. It was also a piano, it was a game console, or even a comic book.
There are now 850,000 apps on Apple's App Store alone.
And when you combine that with similar services from Google, BlackBerry, Microsoft and more,
Gartner says all of these stores will generate $25 billion in sales this year.
Now, that dwarfs the entire music industry, which made just $16 billion last year.
And the irony is that none of this would exist if Steve Jobs had his way.
Now, the late Apple CEO's biography says that he initially resisted allowing other people to make apps.
He didn't want outsiders to create applications for the iPhone that could mess it up, infect it with viruses or pollute its integrity
-- proof that Steve Jobs wasn't always right.