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 9,463,374 websites that are Facebook Signal Customers. We know of 4,054,352 live websites using Facebook Signal and an additional 5,409,022 sites that used Facebook Signal historically and 1,879,216 websites in the United States.
Get a list of 9,463,374 websites using Facebook Signal which includes location information, hosting data, contact details, 4,054,352 currently live websites and an additional 5,649,488 domains that redirect to sites in this list. 5,409,022 sites that used this technology previously and 1,879,216 websites in the United States currently using Facebook Signal.
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