Randall estimates in the alt-text of https://xkcd.com/1279/ https://xkcd.com/1279/ that there's about ¾ of a million people who just use somebody else's email o

Randall estimates in the alt-text of https://xkcd.com/1279/ https://xkcd.com/1279/ that there's about ¾ of a million people who just use somebody else's email on gmail without realizing it's not their email address.