Reddit cofounder Alexis Ohanian has stepped down from the company's board, and urged the company to fill his seat with a black candidate

· Reddit cofounder Alexis Ohanian has stepped down from the company board, he announced Friday.
· Ohanian, who is married to tennis star Serena Williams, said that he is urging the company to fill his seat with a black candidate. The venture capitalist said he would be using the future gains of his Reddit stock to serve the...