Sure, you share your heart out in food photos and selfies, but providing WiFi to those less fortunate might be more magnanimous. Thats where Karma comes in, with its portable WiFi hotspot that pays you back in data for a bit of bandwidth benevolence. The company has provided two Acer C720 Chromebooks and a pair of its Karma WiFi hotspots (1GB bundles) so that two lucky Engadget readers can join in spreading the connectivity.