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HolidayBuyer's Guide

Zuckerberg rings the bell

World is more connected

The Facebook IPO - It's official

"We stand, applaud and thank Mark"

Hughes and Zuckerberg in 2004

Facebook circa 2005

Chris Hughes, Dustin Moskovitz and Mark Zuckerberg in 2004

Zuckerberg after ringing the Nasdaq bell

Group photo at Facebook HQ

Getting ready to fly a new Facebook flag

Ringing the bell

"Mark talks to us about staying focused"

Back to work!

Facebook CEO Mark Zuckerberg is shown today after ringing the ceremonial Nasdaq bell from company headquarters in Menlo Park, Calif. COO Sheryl Sandberg and VP Chris Cox hug in the background.

Click on for more photos posted last night and this morning to Zuckerberg's Facebook Timeline.

Caption by / Photo by Facebook
Angel investor Pejman Nozad congratulates all his friends at Facebook, saying the "world is more connected and a better place to live with Facebook!"
Caption by / Photo by Facebook
"It's official! Exciting day! Now some sleep, then back to work!" a poster to Zuckerberg's Facebook Timeline wrote in a caption for this photo.
Caption by / Photo by Facebook
"We stand, applaud, and thank Mark for the opportunities he's given us," a caption read on this photo posted to Zuckerberg's Timeline.

Mark Zuckerberg commented on the photo "This was a really touching moment for me. Glad you captured it."
Caption by / Photo by Facebook
Facebook co-founder Chris Hughes and Mark Zuckerberg in 2004.
Caption by / Photo by Facebook
It's come a long way. This is a view of the Facebook site in early in 2005.
Caption by / Photo by Facebook
Co-founder Chris Hughes posted this photo of himself from 2004 with Dustin Moskovitz and Mark Zuckerberg with the caption "Eight years later...an incredible day for Facebook and everyone who has been a part of it."
Caption by / Photo by Facebook
Another shot of Zuckerberg after ringing the ceremonial Nasdaq bell remotely from Facebook's Menlo Park HQ.
Caption by / Photo by Facebook
Zuckerberg, center, is surrounded by his Facebook crew.
Caption by / Photo by Facebook
Zuckerberg at Facebook headquarters getting ready to fly a new Facebook flag adorned with the globe, messages, and friend request icons.
Caption by / Photo by Facebook
Another shot of Zuckerberg ringing the ceremonial Nasdaq bell as employees watched on the big screen.
Caption by / Photo by Facebook
A poster captioned this shot: "Mark talks to us about staying focused and building cool things as we get ready to hack our way towards sunrise and the Nasdaq opening bell."
Caption by / Photo by Facebook
Zuckerberg celebrates a new era as it starts trading on the Nasdaq in a wave of excitement.
Caption by / Photo by Facebook
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