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 10,315,855 websites that are Facebook Signal Customers. We know of 3,012,205 live websites using Facebook Signal and an additional 7,303,650 sites that used Facebook Signal historically and 1,369,478 websites in the United States.
Get a list of 10,315,855 websites using Facebook Signal which includes location information, hosting data, contact details, 3,012,205 currently live websites and an additional 4,383,615 domains that redirect to sites in this list. 7,303,650 sites that used this technology previouslyand 1,369,478 websites in the United States currently using Facebook Signal.
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