No Market Share movement for Twitter App Card yet sorry.
Get a list of 733,663 websites using Twitter App Card which includes location information, hosting data, contact details, 747,833 currently live websites
which includes 576,282 domains that redirect to sites in the list. 562,112 sites that used this technology previously and 117,084 websites in the United States currently using Twitter App Card.
Distribution of locations of all Twitter App Card customers we've ever tracked.