Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & personal care, broadband & dsl, gourmet food & just about anything else.

How much they make:
Where they're located: Indianapolis, Indiana, USA
Current team size: 1
Website traffic: 2.65B/month

4. Office 365

Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote. Save documents, spreadsheets, and presentations online, in OneDrive. Share them with others and work together at the same time.

Where they're located: Riverside, California, USA
Website traffic: 1.52B/month

5. Etsy

Etsy is the worldwide commercial center for exceptional and inventive merchandise. It's home to a vast expanse of uncommon, phenomenal things, from special hand-tailored parts of vintage treasures. Here, you can also get a wide collection of beautiful jewelry suitable for women of all ages.

Website traffic: 407M/month