Facebook this week introduced two major sets of developer tools for interacting with its various services. The company released a new software development kit for Apple's Swift programming language, and added lots of new features to its Graph API 2.7. Both toolsets are available in preview form.
With data being both more plentiful and accessible than ever, tools that help users quickly make sense of it become increasingly valuable. As expected, much of the data being used comes from social sites. We come across mashups that access this data and provide interesting ways of looking at it from influence circles, tweet impacts and search results. Here is a look at four that caught our attention.