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.
Complete coverage: Facebook's IPO maneuver
May 18, 2012 12:12 PM PDT
Photo by: Facebook
| Caption by: James Martin
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