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.
The internet is the perfect medium for matching supply with demand. You can find your next freelance job or, as Craigslist has been singled out for, find just about anything else (if you know the right euphemisms). Now, with Data Marketplace, you can request or provide datasets covering anything you can think of.