We all want free WiFi. Karma comes pretty close. Karma's innovative social bandwidth model allows you to earn a lot of free data while on a strict pay-as-you-go plan. No hidden fees, no contracts. Now, Lifehacker readers can get one of the best mobile hotspots for $69 – an early Black Friday steal.
Gizmodo's review of Karma was quite positive, giving it a Gizrank of 4/5. In fact, Karma has since fixed the only negative they listed (required Facebook integration – now it's optional).