> "How wild is it that it took less than 10 years for a platform spanning killer-app to emerge in the largest smartphone market in the world?"
It's not that wild considering that the iPhone hasn't even existed for quite a decade yet and Android has been around for an even shorter time.
To put it in perspective, this is like what the web did to Windows circa '99 - '05. Lesser examples might be spreadsheets or Adobe Photoshop.