Bloomberg ranked U.S. companies based on the number of Twitter postings that contained a company "cash tag" (the $ followed by the company's stock ticker in uppercase letters) using data compiled by Bloomberg Social Velocity Alerts.
Figures for market cap were as of 8/31/13. Criteria used to decide the legitimacy of a Twitter posting included correlation with news from reputable news organizations, number of messages from a curated set of Twitter users, distribution of postings according to users, and distribution of postings according to time of day.
Top 20 Cash Tag Companies
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