NetZero, Clearwire and Other Ways to Get a Hot Spot to Go - State of the Art - NYTimes.com

Check the full article for NetZero caveats and overviews of alternatives; tangentially, also see Comcast, Verizon Say They’re Itching to Fight Google, Apple (AllThingsD)

"As of this week, there’s a new option from NetZero. It may not change the game, but it does change some of the rules.
You buy the NetZero 4G HotSpot — an attractive black plastic slab with a small gray screen — for $100. You get wireless Internet free for the first year, and pay as little as $10 a month after that. That’s an amazing number. If you do the math, it turns out that $10 a month is a lot less than $50."

NetZero, Clearwire and Other Ways to Get a Hot Spot to Go - State of the Art - NYTimes.com