The Nielsen Twitter TV Ratings Weekly Top Ten for October 21-27, 2013 has been released. The PRETTY LITTLE LIARS Halloween special topped all shows with a Unique Audience of over 6.3 million. THE WALKING DEAD was second, AMERICAN HORROR STORY: COVEN came in fourth, and the premiere of RAVENSWOOD was fifth (click the chart to enlarge).
The list is ranked by Unique Audience and include four metrics for each of the top episodes:
* Tweets - Tweets ascribed to a linear TV episode.
* Unique Authors – Unique Twitter accounts that have sent at least one Tweet ascribed to a specific TV episode.
* Impressions - The number of times any Tweets ascribed to a TV episode were seen.
* Unique Audience – The total number of distinct Twitter accounts accruing at least one impression of one or more different Tweets ascribed to a TV episode.