Twitter4R v0.2.0 now provides 100% Twitter REST API coverage for Ruby. This is the open source project providing Ruby bindings for the Twitter REST API. Most appropriate for pure Ruby and Ruby on Rails projects.
Facebook has launched a new suite of marketing APIs and taken its Facebook Ads API out of private beta. The suite gives developers, ad agencies, and marketers programmatic access to pages, advertising, and analytics for their social media marketing campaigns. In addition to the Ads API, the suite includes the Insights API for building social analytics tools, and Pages API for building and accessing pages and their fields, connections, events, links, notes, photos, and videos. Both are officially part of the Facebook Graph API.
It only seems right that people blogging via Blogger would be able to take advantage of AdSense features for their blogs - both are Google products, after all. Now they can. Google has used their AdSense API to provide more built-in monetization options for its Blogger members.