Science & Technology
作者：Chi Bao Doan
1. Google
1.1. Founded in 1998
1.2. Focus mainly on search engine, cloud computing, software, and hardware
1.3. It's known for its operating system Android and search engin
2. Apple Inc.
2.1. Founder: Steve Jobs
2.2. Founded in 1976
2.3. iPhone
2.3.1. Introduced in January 9, 2007
2.3.2. "revolutionary", "game-changer" for the mobile phone industry
3. Microsoft
3.1. Founder: Bill Gates
3.2. Founded in 1975
3.3. world's largest software maker
4. Facebook
4.1. Founder: Mark Zuckerberg
4.1.1. Net worth: US$ 103.7 Billion (4th-richest person in the world)
4.1.2. 2007: became world's youngest self-made billionaire at age 23
4.1.3. only person under 40 years old in Top 20 richest people
4.2. Founded in 2004
5. Amazon
5.1. Founder: Jeff Bezos
5.1.1. Net worth: US$192.6 billion (World's richest person)
5.2. Founded in 1994
5.3. Focus mainly on e-commerce
6. Tesla
6.1. Founder: Elon Musks
6.1.1. Net worth: US$190 billion (2nd richest person)