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
A they must tolerate phone disturbances or miss important calls.
C they have to switch from a desktop phone to a cellphone.
37 The behavior sensor and software system built in a phone
B could send messages instantly
D could identify important phone calls.
A why office doors were often 1eft open.
C what questions office workers were bothered with.
39 During the experiment，the subjects were asked
B to rate the degrees to which they could be interrupted.
D to analyze all the indicators of interruption.
A the computer worked harder.
C people tended to be biased.