Having that knowledge is especially important, because higher activity levels translate into greater average revenue per user.
And even if television does double the operators' average revenue per user, they will not be able to pocket all of the extra money, because the content providers will need to be paid.
Basically, if a customer qualifies for both a Books mail and a Video Games mail, the email with a higher average revenue-per-mail-sent will win out, " this employee told Fortune."
