AMC's The Walking Dead topped the Nielsen Twitter TV Ratings for the week of October 27-November 2, 2014.
Nielsen Twitter TV Ratings Weekly Top Ten lists are ranked by Unique Audience and include four metrics for each of the top Series and Specials episodes and Sports Events airings.
* 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.