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Location, Location

Mobile phones and other devices are helping all sorts of useful objects 'know' where they are - and tell everybody else about it. Peter Day hears from the people building companies out of this dramatic new sensing ability.

Available now

30 minutes

Last on

Sun 17 May 200921:30

Broadcasts

  • Thu 14 May 200920:30
  • Sun 17 May 200921:30

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