Do you sometimes have e-mail messages that go back in forth? Now in Torch, you have the option to have the entire conversation collapsed into a single message.
First you have to enable e-mail threading:
Now, let's say I need to reply to this e-mail (where the first message is already in Torch):
The reply shows up as a comment instead of an entirely new message:
This works regardless of how many people are involved in the conversation or how many replies you have.