Twitter Launches New Site in Honor of Its 5th Birthday

A new video, featuring everyone from Hillary Clinton to Serena Williams, also invites users to "discover your world" via Twitter.

To celebrate its fifth birthday Monday, Twitter has launched a new website. is a promotional site that works as an introduction to first time users.
It features 16 different users, from Serena Williams to Virgin Group founder Richard Branson and rapper Snoop Dogg.
The social media company also has unveiled a new YouTube video in which everyone from Secretary of State Hillary Clinton to UFC President Dana White share who they follow and why they value Twitter (see below).