Google Analytics Social Interactions Usage Statistics

Measuring social interactions with Google Analytics.

https://support.google.com/analytics/answer/1683971?hl=en

Analytics and Tracking

Google Analytics Social Interactions Customers

Get access to data on 15,999 websites that are Google Analytics Social Interactions Customers. We know of 3,344 live websites using Google Analytics Social Interactions and an additional 12,655 sites that used Google Analytics Social Interactions historically and 1,521 websites in the United States.