HIGHLIGHTS Greenberg said "we're hopeful" Sony will be supportive Sony's unwillingness comes from being market leader PS4 has sold over 60 million, Xbox One between 26-28 million Sony has been adamant about not allowing cross-platform play with other consoles for PS4 , but Microsoft is still trying to convince the market leader. In an interview at Gamescom this week, when GameReactor asked if Microsoft was in discussion with Sony, Xbox marketing head Aaron Greenberg said: "Absolutely, yeah. We're talking to Sony [about cross-platform play]." "We do partner with them on Minecraft , and of course, we would like to enable them to be part of that: one community, to unite gamers. So we're talking to them and we're hopeful that they'll be supportive of it." It's obvious why Sony would be hesitant to partner up, given the PS4 is the clear winner in the current console generation, having outsold ...