What's interesting here is that you would like as an extension the one feature that I think Buffer chose to exclude from the start to disrupt other pre-existing

What's interesting here is that you would like as an extension the one feature that I think Buffer chose to exclude from the start to disrupt other pre-existing "Twitter schedulers" by being more easy-to-use :) But anyways, it would be pretty easy to add this feature to Tampon. I've been thinking about it actually!