Show email address on mouseover of username
We used a very old community platform before insided, but one of the advantages it has was to show a mouse-over tooltip of the users email address when you were logged in as an administrator.
That was super helpful to know for our B2B community where the email domain could quickly tell us the customer/business. That saves a click and a bunch of time rather than having to go into the profile every time.
Something like this:
