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A Phone That Knows Youre Busy calls so you turn your cellphone off .But if you dont remember to turn it back on when youre interrupt you，you wouldnt have to turn it off at all. Instead，it could let calls through when you A bunch of behavior sensorsand a clever piece of software could do just that，by system may decide youre too busy and ask the caller to leave a message or ring back later. system oil tiny microphones，cameras and touch sensors that reveal body language and activity. mind is interrupted open or closed，the time of day，if other people were with the person in question，how close they The sensors monitored these and many other factors while four subjects were at work . At interruptibletohighly notinterruptible . Their ratings were then correlated with the various then let statistics find out which were important， says Hudson the office correlated most strongly with how interruptible the subjects judged themselves to be. too busy to be interrupted . The computer got it right 82 per cent of the time，humans 77 per cent. towards delivering their message，whereas computers dont care. to it being deployed in a couple of years， says Hudson | 
