Yeah, C++ and Java http://www.quora.com/What-programming-languages-are-used-at-Facebook?q=facebook+language http://www.quora.com/What-programming-languages-are-

Yeah, C++ and Java http://www.quora.com/What-programming-languages-are-used-at-Facebook?q=facebook+language http://www.quora.com/What-programming-languages-are-used-at-...