Market analyst Net Applications has some interesting findings regarding web use in mobile handsets.

iPhone users currently account for .09% of web browsing, with Windows Mobile units only posting a combined total of .06 percent (0.06%).

Critics have cited Windows Mobile relative difficulty of use compared to the iPhone as possible reasons.

In any case, it's clear that iPhone users are browsing the net more often, as Apple reaches 27% of the United States' Smartphone market in less than a year.