Write an apology
An apology is a formal justification or defense of a position.
Yes, it is a Google product, but hey, it's the best you can get for a company that tracks you.
It's a decent product overall. Not as amazing as some of the fanboys claim it to be, and not nearly the evil privacy thief that the detractors insist it is.
It has a few annoying bugs... it used to "Trash" conversations and thus I'd never find out someone had replied to me. That isn't happening as much now.
Don't underestimate the great mighty power of Gmail!
Whenever I see that someone has a Gmail address, I just assume they're smarter. I'm usually right.