With Facebook share price still pouring down, traded last day at 19.10 (down 1.24%), another company’s face, the co-founder Dustin Moskovitz selling his social giant shares. Moskovitz has sold a total of 450,000 Class A shares at prices ranging from $19.19 to $19.22 a share. Moskovitz also owns 106.8 million B shares, which he could convert anytime to Class A share...