The Spring '12 release overview deck introduces enhancements to several Salesforce products. Data.com will include additional data fields imported from Dun & Bradstreet, including D-U-N-S numbers and NAICS codes. The Sales Cloud will add social accounts and contacts from YouTube and Klout, and improve forecasts and the Salesforce for Outlook integration. The Collaboration Cloud will enhance Chatter search, influence on profiles, recommendations, and its REST API.