About a year ago, mobile phone usage accounted for half of all website traffic but who would have thought that a full 50% of that traffic was through the Apple iPhone?  Do the math.  With mobile phone usage lower in the US than in Europe and Asia, the numbers aren’t completely accurate but that’s roughly 25% of all website traffic.  Here’s an article about it:

http://moconews.net/article/419-report-iphone-accounts-for-50-percent-of-u.s.-mobile-web-traffic-androi/