Wi-Fi-only tablets are pretty popular and for good reason. No one wants to pay for a second data plan just for their slate, and the hardware is cheaper if you get it without 3G/4G radios anyway. Seems like a win. Until you get out of your house and curse your disconnected device and its inability to Google Jeff Goldblum's height at the drop of a hat. Enter FreedomPop.
The service may not be new, but it is novel: 500MB of free data per month.