You can now read 10 articles in a month for free on BostonGlobe.com. Read as much as you want anywhere and anytime for just 99¢.

The Boston Globe

Business

MIT grads’ technology gauges Olympic mood

Captures social media messages to measure fervor — yea or nay — and turn London’s Eye into a giant mood ring

Despite fretting over all the security and traffic restrictions in London, Britons appear to be warming up to hosting the 2012 Summer Olympics. A warm yellow glow, to be exact.

The yellow is the color of the lights on the London Eye, the giant Ferris wheel on the River Thames that has been been programmed to reflect the mood of the country toward the Olympics, as measured by the tone of the social-media messages Twitter users are sending. The lights on the Eye change color depending on the tone detected in those messages, with yellow indicating a positive mood. On Monday night, for example, two thirds of the sphere glowed yellow.

Loading comments...

You have reached the limit of 10 free articles in a month

Stay informed with unlimited access to Boston’s trusted news source.

  • High-quality journalism from the region’s largest newsroom
  • Convenient access across all of your devices
  • Today’s Headlines daily newsletter
  • Subscriber-only access to exclusive offers, events, contests, eBooks, and more
  • Less than 25¢ a week