![An ad for Google's Gmail appears on the side of a bus on Sept. 17, 2012, in Lagos, Nigeria.](https://imagenes.elpais.com/resizer/v2/JSFMCKMNS5AVDHEXRQ3ANWH2V4.jpg?auth=b955a434668ff40b4e96af4add65f65426bde008c2e4786e3a09663fcd1a9e02&width=414&height=233&focal=2528%2C795)
Gmail revolutionized email 20 years ago. People thought it was Google’s April Fool’s Day joke
AP|
Besides the quantum leap in storage, Gmail also came equipped with Google’s search technology so users could quickly retrieve a tidbit from an old email, photo or other personal information stored on the service