Amazon mainly sells books, movies, music and games, digital downloads, electronics and computers, home and garden products, toys, baby products, food, clothing, shoes and jewelry, health and personal care products, sports and outdoor products, toys, automobiles and industrial products, etc. Amazon was founded in 1995. At the beginning, it only operated online book sales business, but now it has expanded to a wide range of other products. It has become the online retailer with the most product varieties in the world and the second largest Internet company in the world. Under the company's name, it also includes subsidiaries such as AlexaInternet, a9, lab126, and Internet Movie Database (IMDB).