Amazon is the largest Internet-based retailer in the United States. Amazon.com started as an online bookstore, later diversifying to sell DVDs, Blu-rays, CDs, video downloads/streaming, MP3 downloads/streaming, audiobook downloads/streaming, software, video games, electronics, apparel, furniture, food, toys and jewelry.
Best Buy sells consumer electronics and a variety of related merchandise including software, video games, music, DVDs, Blu-ray discs, mobile phones, digital cameras, car stereos and video cameras, in addition to home appliances (washing machines, dryers, and refrigerators). Best Buy’s exclusive brands consist primarily of Dynex, Rocketfish, Insignia, Modal, Platinum, Init, Geek Squad, Pacific Sales, and Magnolia Home Theater.
Ebay is an American multinational corporation and e-commerce company, providing consumer-to-consumer and business-to-consumer sales services via the internet. Today it is a multibillion-dollar business with operations localized in over 30 countries. Millions of collectibles, decor, appliances, computers, furnishings, equipment, domain names, vehicles, and other miscellaneous items are listed, bought, or sold daily on Ebay.