The document provides statistics and analysis on airline usage of Twitter from November 2011 as collected by the Eezeer Data Lab. It summarizes key metrics such as the number of airlines with Twitter accounts, the top airlines for number of tweets sent and received, and growth in overall Twitter usage compared to October 2011. It also analyzes the topics and sentiment of consumer tweets directed at airlines, finding that customer service was the most discussed topic while baggage handling saw an increase in negative tweets. The document ranks airlines in different categories like customer service based on analysis of positive and negative consumer tweets.