Facebook then and now (pictures)
The social network turns 10 on February 4. CNET looks back at the many variations of the service over the years.
The Facebook, circa 2004
Facebook's first ads started running in 2004. The one pictured here was likely a "flyer," which Facebook sold to small businesses for $10 to $40 a day, according to Facebook's first ad salesman, Kevin Colleran.
Facebook Groups in 2005
Facebook refreshes the profile
2006: The year of the Feed
Say hello to News Feed
Later that same month, Facebook opened up to anyone 13 or older with a valid e-mail address.
2007 and the Inbox
News Feed takes over in 2007
It also launched Facebook platform and video later in the year. By July, Facebook hit 30 million active members.
Facebook in 2008
The Wall is born
DIY feeds
2009: Facebook for 'Everyone'
In September 2009, Facebook surpassed 300 million users.
The real-time stream
Facebook notifications arrive in 2010
Before the end of July 2010, Facebook would hit half a billion users.
A tale of two Feeds
You've probably long forgotten them, but Facebook Questions also made their debut in 2010.