[1] Social media platform, Twitter, is set to launch its TV rating service with Nielsen in Australia this year.
[2] The service was launched in US in 2012 and offers added Twitter metrics related to TV shows.
[3] The plans are part of its expansion strategy, which mainly targets advertising and media industries.
[Source] http://thenextweb.com/twitter/2014/03/24/twitters-tv-ratings-service-headed-australia-year/