Now that YouTube's Reporting API has been live for roughly half a year, YouTube has started adding new features. The latest new feature is historical data. Historical Data provides a 180 day lookback from a particular job's schedule date. Historical data is available beginning July 1, 2015.
Facebook has made several recent announcements including the enabling of API error notifications in the Facebook Developer Alerts tool, a new video channel for developers and the first Developers Live event to take place on February 19th.
Topsy, the Twitter search indexer that recently raised another $15 million, now lets users zero in on tweets mentioning videos. According to Topsy, the trending videos are the "most popular videos shared by influential users within the first 24 hours of their release." The feature is also available in its Topsy API, though currently undocumented.