No Market Share movement for Background Sound yet sorry.
Get a list of 472,033 websites using Background Sound which includes location information, hosting data, contact details, 105,805 currently live websites
and an additional 318,077 domains that redirect to sites in this list. 366,228 sites that used this technology previously and 61,077 websites in the United States currently using Background Sound.
Distribution of locations of all Background Sound customers we've ever tracked.