1. The Evolution Of Facebook
2004-2012

2. 2004: Welcome to thefacebook.com
A snapshot from the earliest days of
Facebook. Before it had 1 billion users,
the site was available to Harvard
students only.

3. 2005: The original Facebook profile
A Facebook profile in 2005 (back when
users could specify they were looking for
"Random play.")

4. 2006: Mark Zuckerberg's profile
2006 brought Facebook's first major
redesign. A News Feed was added to a
user's homepage, and a Mini Feed
appeared on individual profile pages.

5. 2008: Facebook's homepage
A sleeker welcome page for Facebook's
growing number of users.

6. 2009: Facebook Homepage
In 2009, the News Feed was replaced with a
Real-Time Stream. Facebook also asked
users, "What's on your mind?" prompting
Facebookers to share status updates.

7. 2010: Profiles get a facelift
Facebook overhauled its profile pages
again in 2010.

8. 2010: Facebook Pages
Love Lady Gaga? "Like" her on Facebook.
In 2010, companies and celebrities could
invite fans and customers to connect
with them on Facebook.

9. 2011: Ticker
Facebook stalking became even easier in
2011 when a real-time activity feed was
added to the homepage.

10. 2011: Video Chat
In 2011 Facebook enabled video
calling.

11. 2011: Hello Timeline!
In 2011, the social networking giant
ditched the concept of a "wall" and
introduced Timeline. "Tell your life story,"
urged Facebook.

12. 2011: Facebook subscribe
Facebook enabled subscribe in 2011,
allowing users to see people's public
status updates and posts. Now called
"follow," the feature's privacy
settings still manage to trip up even the
most savvy of Facebook users.

13. 2012: Facebook's App
Center
To satisfy it's increasingly
mobile audience, in
2012 Facebook rolled
out its App Center. The
App Center initially
featured about 500
Facebook apps, mostly
games.

14. 2012: Facebook acquires Instagram
In the spring of 2012, Facebook acquired
photosharing site Instagram for one
billion dollars. Zuckerberg commented on
the acquisition, calling it "an important
milestone for Facebook."