Facebook's Social Plugin and Twitter's @anywhere are this kind of cloud solutions. Every kind of existing, old-styled website can integrate social functions without any efforts.
- "The Facebook Imperative Cannot Be Stopped," @TechCrunch, http://tcrn.ch/cEOHdf
- "50,000 Websites Have Already Integrated Facebook’s New Social Plugins," @TechCrunch, http://tcrn.ch/aq5TaT
- "Twitter’s New “At Anywhere” Platform Allows For Deeper Integration Into Third Party Sites," @TechCrunch, http://tcrn.ch/9SjV8B