CafePress, an online retailer of stock and user-customized on demand products.
Merchandising lines produced by a partnership consisting of FilmCow and retailer CafePress as well as Hot Topic have been launched in response to the video's popularity; the merchandise features various quotes from the video and generally features the blue and pink unicorns, although Charlie appears occasionally, and is sold in several forms including t-shirts, pins, coffee mugs, and bandannas.
It looks at Vistaprint, Shutterfly, Zazzle, CafePress, Starbucks, Dell, Subway, and other companies whose business concepts depend on customization.