Apparently there are about 400,000 currently verified users. So, assuming 100% buy in (or enough people buying the blue check mark that it makes up for those w

Apparently there are about 400,000 currently verified users. So, assuming 100% buy in (or enough people buying the blue check mark that it makes up for those who don't), that brings the total revenue from this scheme to ~$100M a year, or about 2% of Twitter's current $5B annual revenue.