OpenSocial is useful for websites to start hosting social applications. Apache Shindig is an OpenSocial container and helps you to start hosting these apps on your website. OpenSocial is not just about gadgets and widgets for your Website. With it, your website can be a container or can store persistent data and publish notices/alerts called activities. OpenSocial has vast verity of uses including social mashups, social websites and applications, gadgets/application creation, CMS and social...