Tim:
It was a ridiculous palaver just to find a way to send a new email to a person without it being a reply, for instance.
Patrick O'Callaghan:
Clicking on the address works.
It hid them...
I had a series of separate emails I've sent someone, who responded outside of email, so they're sitting by themselves in the sent box. They're not a thread, but gmail is bunching them together because of a common recipient. I could see a name of the recipient, but no address, and nothing obvious to click on until I delved into them.
All-in-all, a right pig's breakfast of a user-interface.