The world, it seems, can't get enough social check-in service variants based on such services that launch on a regular basis. The latest calls itself Clingle by MyCityWay. Its "Clings" are bits of media (text, audio, photos) that users can leave for friends (other Clingle users) that are unlocked when these friends check-in to the location. It is a bit like a private geo-cache. Information can also be broadcast to friends in real-time. And, of course, like other social-geolocation services, deal [...]

Read More: Clingle Lets You Leave Private Text, Audio and Photo Messages for Friends at Check-in Locations