I once had a user complaining on twitter "HelloInbox sucks" (that was my company in those days). I responded "Sorry to hear that, what is the problem?". Guy ask

I once had a user complaining on twitter "HelloInbox sucks" (that was my company in those days). I responded "Sorry to hear that, what is the problem?". Guy asks for email address. Sends a 2 pager, starting that he really liked HelloInbox but had a list of addition featured he wanted. So awesome!