Will The Mobile Web Be Overtaken By Handheld Devices Other Than Phones?

This will be fascinating to watch over time.

PercentMobile says:

43.2% of Mobile Web Usage in the US is Over WiFi

24.2% of Mobile Web Usage in the US Comes From Non-Phones

Based on Traffic from Mobile Devices to Desktop and Mobile Sites from December 6th to January 5th as Reported on by Mobile Analytics by PercentMobile.