And please, just one e-mail. Don't let a rambunctious new marketing type decide "Hey, if we find our inactive users and email them two or three times a week fro

And please, just one e-mail. Don't let a rambunctious new marketing type decide "Hey, if we find our inactive users and email them two or three times a week from here on out we'll increase our user base". And make sure your unsubscribe features work.