Spotify Play Button adds music to a website.
http://developer.spotify.com/technologies/spotify-play-button/
Audio / Video Media
Get access to data on 94,935 websites that are Spotify Play Button Customers. We know of 10,300 live websites using Spotify Play Button and an additional 84,635 sites that used Spotify Play Button historically and 6,612 websites in the United States.
Get a list of 94,935 websites using Spotify Play Button which includes location information, hosting data, contact details, 10,300 currently live websites and an additional 18,326 domains that redirect to sites in this list. 84,635 sites that used this technology previouslyand 6,612 websites in the United States currently using Spotify Play Button.
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