Are you ready for some news that will make you feel old? Today Facebook, the social media giant that changed the world, turns 20 years old. 

In those two decades Facebook’s founder, Mark Zuckerberg, has morphed from a nerdy frat boy into Silicon Valley’s billionaire bogeyman. 

And, the product he created has undergone a no less bewildering transformation. 

From the birth of the Newsfeed to the death of long-forgotten features, the Facebook we know has come a long way since its inception.

So, what is the oldest Facebook feature you remember?

Read on to find out. 

Mark Zuckerberg (pictured) launched Facebook in 2004 as a tool to connect students on college campuses, but the site is now 20 years old and a lot has changed

Mark Zuckerberg (pictured) launched Facebook in 2004 as a tool to connect students on college campuses, but the site is now 20 years old and a lot has changed

When Facebook first launched it was exclusively for students of Harvard and was just a collection of user profiles
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If you joined Facebook in 2004 (pictured left) even the 2011 version of the site (pictured right) may be almost unrecognizable