Costco

Costco Wholesale Corporation is an American retail store with a membership-only policy. Costco is also known for its “warehouse” aesthetic and selling products in bulk.

Costco's collection and sharing of data through Meta's tracking pixel

Costco has a pharmacy website that members can use to mail order pharmaceuticals for people and their pets. Costco uses a back-end tracking code which allows for a broad scope of information to be…