Amazon is an electronic commerce company launched in 1995 that deals in online shopping, web hosting, and content distribution. It employs over 132,000 people and is available in several languages including English, French, German, Spanish, Italian, Japanese, Chinese, and Brazilian Portuguese. Amazon utilizes different business models and strategies including search engine optimization, email marketing, content marketing, and affiliate marketing. Its backend operations are entirely Linux-based and include four software development centers and large data warehouses to support its global online operations.