This SDK helps developers integrate Facebook into their web, desktop, and phone applications using ASP.Net or ASP.NET MVC. It can be used to create social Windows Store apps that run on Windows 8, or to allow Windows Phone users to authenticate via Facebook and post status messages through their apps.
Location-based social game FourSquare no longer has limits to where it can be used. When users click on their city name below the header of the website, they see a search box to enter a new city. Previously the service supported about 100 cities worldwide and anyone who lived elsewhere was out of luck.
A Digg community member, suspicious of some top links, used the site's Digg API to uncover a 159 fake accounts. By comparing the stories voted on by these accounts to other stories, he discovered what appeared to be directed fraud and what Digg now calls "tests to find spam vulnerabilities." We spoke to the community member to learn how he used the site's API and what he learned.