Amazon.com is the largest Internet-based retailer in the United States and world by total sales and market capitalization. It started as an online bookstore, later diversifying to sell DVDs, Blu-rays, CDs, video downloads/streaming, MP3 downloads/streaming, audio book downloads/streaming, software, video games, electronics, apparel, furniture, food, toys and jewelry. The company also produces consumer electronics—notably, Amazon Kindle e-readers, Fire tablets, —and is the world’s largest provider of cloud infrastructure services. Amazon also sells certain low-end products like USB cables under its in-house brand Amazon Basics.

Amazon has separate retail websites for United States, United Kingdom and Ireland, France, Canada, Germany, Italy, Spain, Netherlands, Australia, Brazil, Japan, China, India and Mexico. Amazon also offers international shipping to certain other countries for some of its products. In 2011, it professed an intention to launch its websites in Poland and Sweden.