Mobile app maker Frengo is now making apps for popular social networks (Facebook, Hi5, etc.) that allow connections between networks. The Flirtable app, for example, allows users on one social network to flirt with users on another. The Lolz app, likewise, lets users share LOLcat images (sadly, not very funny ones) across networks.
Frengo is using OpenSocial as a standard for building the apps, but OpenSocial doesn't address friend portability or cross-network messaging. Frengo is building that capability into its widgets so that a user on a smaller network who adds one of its apps will join the ad-hoc … Read more