Sony And Microsoft Should Be Worried About The Steam Box. Very Worried.Luke Plunkett1/09/13 12:00amFiled to: Steam boxValvePCSteamMicrosoftSonyOpinionSteam box worry482EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkThe future of home gaming. The next generation. For years now, the anticipation and excitement over what's to come has been dominated by speculation over what would come next from Microsoft and Sony.In one day, Valve has changed all of that.ShareTweet Kinja is in read-only mode. We are working to restore service.