The document lists several social media and cloud APIs that allow users to connect external accounts to a website. This includes APIs for Facebook, Twitter, Google Calendar, Gowalla, Foursquare, YouTube, and Scribd/Slideshare that enable admins to post on behalf of connected users, access users' personal data, manage social media pages/videos/documents, and add, update or delete events/places/media directly from the connected website.

1. List of 4-local features which are useful for other projects<br />Facebook API with auto post feature: When any user connects his facebook account with web project, then admin can post anything on user’s facebook wall, access user’s personal data, manage facebook page.<br />Twitter API with auto post feature: When any user connects his twitter account with website, then admin can tweet anything on user’s twitter account, access user’s information.<br />Google Calendar: When user connects his Google calendar with website, user can add, update, and delete Google calendar’s events from website.<br />Gowalla: User can get all places registered in Gowalla passing latitude and longitude in web service<br />Foursquare: User can get all places registered in FourSquare passing latitude and longitude in web service<br />YouTube API: When user connects his YouTube account with website, User can add, update, and delete his YouTube account’s video from website<br />Scribd & Slideshare API: When user connects his Scribd or Slideshare account with website, User can add, update, and delete these (Scribd & Slideshare) account’s documents from website.<br />