iPhone Controls 50% of U.S. Smartphone Web Traffic

More impressive than that figure is the six-month snapshot. The iPhone has risen 40% from 10% in August of 2008, taking significant market share from RIM, Palm and Windows Mobile. Meanwhile, Android has risen to 5% (there were no Android devices in August of 2008).

Worldwide, the Symbian OS remains dominant, but it's dropped from 64% to 43% of mobile web traffic in six months. Meanwhile the iPhone risen 29% to 33%. On a worldwide basis, you can see where the iPhone is grabbing much of its market share from.

With an anticipated new iPhone expected later this year, perhaps with even faster 3G and more, one has to wonder what the market share picture will look like next year at this time. Will Symbian no longer hold a worldwide lead? Time (and new iPhones, and perhaps the recession) will tell.

Here's how AdMob measures market share, by the way:

AdMob publishes the Mobile Metrics report to provide a measure of mobile Web and application usage from our network of more than 6,000 publishers and 1,000 applications worldwide. Market share is calculated by the percentage of requests received from a particular handset; it is a measure of relative mobile Web and application usage and does not represent handset sales.