Journalists use Signal to surface relevant trends, photos, videos and posts from Facebook and Instagram for use in their storytelling and reporting.
https://www.facebook.com/facebookmedia/get-started/signal
Analytics and Tracking
Get access to data on 10,411,321 websites that are Facebook Signal Customers. We know of 2,907,813 live websites using Facebook Signal and an additional 7,503,508 sites that used Facebook Signal historically and 1,332,460 websites in the United States.
Get a list of 10,411,321 websites using Facebook Signal which includes location information, hosting data, contact details, 2,907,813 currently live websites and an additional 4,253,753 domains that redirect to sites in this list. 7,503,508 sites that used this technology previouslyand 1,332,460 websites in the United States currently using Facebook Signal.
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