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 10,432,792 websites that are Facebook Signal Customers. We know of 2,981,377 live websites using Facebook Signal and an additional 7,451,415 sites that used Facebook Signal historically and 1,378,365 websites in the United States.
Get a list of 10,432,792 websites using Facebook Signal which includes location information, hosting data, contact details, 2,981,377 currently live websites and an additional 4,393,892 domains that redirect to sites in this list. 7,451,415 sites that used this technology previouslyand 1,378,365 websites in the United States currently using Facebook Signal.
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