Where a conversation lives, and how to keep track of which role it is about.
Messages about a specific application are attached to that application, so a conversation always carries the role it belongs to. Ticks show what has been delivered and read, and timestamps are clock times rather than vague relative ones.
The activity feed
One stream of everything that happened, newest first.
Choosing what you are told about
Which events reach you, and where they reach you.
Referring somebody
You get a link. Here is exactly what it earns, and what the credits get you.
Your account and where you are signed in
Changing your details, your password, and ending a session you do not recognise.
