Buffet didn't invest in fb, but he stated he did help Zuckerberg launch it(public). He also didn't invest in Google or Apple...because he doesn't understand the companies. His words.
Even people who are right a lot of the time are wrong sometimes, but I think you know that. Except for me, of course. I am ALWAYS right. Just ask Rock.
"The efforts of the government alone will never be enough. In the end the people must choose and the people must help themselves" ~ JFK; from his famous inauguration speech (What Democrats sounded like before today's neo-Liberals hijacked that party)