Gmail revolutionized email 20 years ago. People thought it was Google's April Fool's Day joke - KSL.com
- Gmail revolutionized email 20 years ago. People thought it was Google's April Fool's Day joke KSL.com
- 20 years of Gmail The Verge
- On April Fool's Day, Google's Gmail celebrates its 20th anniversary The Associated Press
- Gmail turns 20 today. Read the launch memo. Business Insider
- From its start, Gmail conditioned us to trade privacy for free services Engadget