Monthly Tweetreach reports monitoring the online metrics for the Mayor of London's 'Ask Boris' Twitter sessions. Each report is generated against the search term, hashtag #askboris and is run from the day before the session starts to the end of the day the session takes place. Data includes:Reach: The number of unique Twitter accounts that received tweets about the sessionExposure: The number of impressions generated by tweets in the reportActivity: Total number of tweets, contributors, time period and volumeType: Number ot tweets, retweet and repliesTimeline: A full list of tweetsNotes: A full description of Tweetreach analytics and descriptors is available on www.tweetreach.com or in the article Understanding the TweetReach snapshot report Please note that due to limitations with the listening tool not all tweets from Ask Boris sessions are captured in the reports.