ThinkGeek is an American retailer that caters to computer enthusiasts and "geek culture", from 1999 to 2019. Described as a "Sharper Image for sysadmins", their merchandise had been likened to "toys for adults, novelties designed to appeal to both your inner child and your inner grad student." These included clothing, electronic and scientific gadgets, unusual computer peripherals, office toys, pet toys, child toys, and caffeinated drinks and candy. ThinkGeek was founded in 1999.