In a list aimed at identifying who to follow on Twitter for “the latest trends, news and opinions” on Big Data, as well as to identify the figures shaping the discussion and the evolution of field, SAP has included the official BigDataExpo Twitter page (@BigDataExpo.com). The list was determined by tweet topics, number of followers, number of tweets, and influence as calculated by Klout, a web service that uses Hadoop to measure influence online.