This article re: newsletters via @adders:

for whatever reason, RSS readers never achieved mainstream adoption. Email has finally found its role as the default for where push-delivered content goes...

BARF

Exactly the opposite for me, thanks. Feedbin's RSS-delivered newsletters feature makes wildly more sense to me. Get out of my inbox if you aren't a human person from whom I want to get mail (or, like, a password-reset thing).