If you’ve ever done any development work in Salesforce.com you’ve probably come across Visualforce. Visualforce is a framework that allows developers to build sophisticated, custom user interfaces that can be hosted natively on the Force.com platform. The Visualforce framework includes a tag-based markup language, similar to HTML.
Socialcast continues to cut across all business applications ensuring that social is everywhere your employees work. Visualforce pages are IFrames within Salesforce.com. When embedding a Socialcast Reach discussion extension in such a page, the code detects the information of the Visualforce frame and not the containing page that loaded it.
The Socialcast team has written a new KB article: Embedding Socialcast Reach Extensions in Salesforce via a Visualforce page (2036573), all about embedding Socialcast Reach Extensions in Salesforce via a Visualforce page.