Key chapters in the history of Facebook, the world’s biggest social media application, which marks the tenth anniversary Wednesday of its stock market debut. In the beginningIn 2003, 19-year-old Harvard computer whiz Mark Zuckerberg begins working out of his dormitory room on an online network aimed initially at connecting Harvard students. The following year he launched thefacebook.com with three Harvard roommates and classmates: Chris Hughes, Eduardo Saverin and Dustin Moskovitz. As membership is opened up to other colleges around North America Zuckerberg quits his studies and moves to Silic…