The document summarizes key metrics and information from the #MegaTweetup event on social media. It includes the total number of tweets (2,025), total reach of the hashtag (370,303 people), top contributor and their impressions (Ken Herron with 172,200 impressions), and total pictures shared on various platforms (85 pictures total). Foursquare was more popular than SCVNGR for check-ins at the event (129 vs 12 check-ins).