Read their SEC filings: https://investor.twitterinc.com/secfiling.cfm?filingID=1564590-16-13646&CIK=1418091 https://investor.twitterinc.com/secfiling.cfm?filing

Read their SEC filings: https://investor.twitterinc.com/secfiling.cfm?filingID=1564590-16-13646&CIK=1418091 https://investor.twitterinc.com/secfiling.cfm?filingID=15645... If you've never read one of these, you might be surprised how much is disclosed, and in great detail to boot.