Facebook Company Site Updates Before IPO

To gear up for Facebook's IPO — one of the most important dates in Facebook's history — we've rounded up the other major milestones that have changed how we share and communicate via this beloved social network. In eight seemingly short years, Facebook has broadened its sharing tools and products to include a chatting service, a mobile app, and the ever-important "Like" button. Click through to take a trip down Facebook's memory lane.

Source: Facebook and Getty