Facebook’s 15th birthday is clouded by controversies and concerns

CAMBRIDGE - NOVEMBER 12: Founder of Facebook.com Mark Zuckerberg, right, and Dustin Moscovitz, co-founder, left; have their photo taken at Harvard Yard. The two are students at Harvard University who are taking the semester off. (Photo by Justine Hunt/The Boston Globe via Getty Images)

As Facebook turns 15, the most important thing is not what the company has accomplished, but how the environment it’s operating in has changed.Read More