Yes, there was life before e-mail, Facebook, and Twitter! But what did the internet look like in the old days? And how did it become what it is today?
Back in 1969, University of California researchers had no idea that their simple data-exchange test would change the world.
In 1970, experimental military network Arpanet connected the two coasts of the United States. A year later, the first ever email was sent.
The '80s gave birth to the address system we're used to, with the familiar .com and .org suffixes.
Another big step was made in 1989, when America Online, or AOL, launched.
However, the Internet didn't become a household word until the nineties, when Tim Berners-Lee, invented the World Wide Web. The internet and the web are not the same thing: the web runs on the internet.
In 1994, the first commercial browser, Netscape, launched.
And that same year, two Stanford students started collecting favorite links, their hobby eventually turned into Yahoo.
Four years later, two computer science engineers got together. They decided to make web searching a little easier, so they start a search engine, and named it Google.
Soon after that, now-famous websites like Blogger and Craigslist launched.
MORE: Full Timeline of Internet History
And in 2005, YouTube was launched. It didn't take long before an 18-year-old guy filmed himself lip syncing to Numa Numa, and the first viral video ever was born. It was watched and shared by millions around the world.
And of course, in the past couple of years, the internet has been booming.
Smart phones have made wireless internet accessible to millions.
Social Networks like Twitter and Facebook seem unthinkable from many people's lives.
Online Stats Firm "ComsCore" says that the internet now has more than 1 billion users.
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