Among other stuff, Let's Plays (basically an early version of what guys like TotalBiscuit or PewDiePie do on YouTube now) started on SA and got really popular a

Among other stuff, Let's Plays (basically an early version of what guys like TotalBiscuit or PewDiePie do on YouTube now) started on SA and got really popular across the Internet, leading to a huge influx of very different users that completely changed the character of the site.