Following its initial reveal and a closed beta program, Sony is ready to take its PlayStation Now video game streaming service to the next level. At its E3 2014 press conference, the company said it would launch an open beta for PlayStation 4 owners in the US and Canada on July 31. (This is a developing story. More to follow.) Head here_to keep up with the rest of our E3 2014 coverage this week. Featured image credit:_Ethan Miller/Getty Images