Apples finger controllers are a glimpse at mixed realitys future (Mark Sullivan/Fast Company)

Mark Sullivan / Fast Company
Apples finger controllers are a glimpse at mixed realitys future – For mixed-reality experiences to take off, input will be as crucial as output. An Apple patent suggests that the company is already at work on that challenge. Apples forte has always been its mastery of the user interface on devices from PCs to phones to smartwatches. Its engineers are now …