2. An infectious disease is currently spreading across the Internet: the badge measles. It all started innocently with badges on Foursquare and other location-based services like Gowalla and foodspotting. Then it jumped online: Yelp! gave badges for adding reviews, as did TrustedOpinion. DevHub considered badges »so 2009« and provided cute monsters for being a good blogger instead. 3. Then the Huf