That service is used by publishers to understand what topics are trending, and by companies to do real-time social media monitoring and brand tracking.
FORBES: Topsy Adds Google Plus To Real Time Search Index
For most spectators, the next eight to 12 days involve closely monitoring the race online with the assistance of real-time GPS tracking and video coverage from the trail checkpoints -- available on www.
CNN: Iditarod: A spectator's guide
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