Wow, I had this exact idea just the other day. Letter writing is such an ideal format for nuanced discussion, particularly as it conveys the personal perspective and human element behind one’s ideas. Congrats on making it real.

I will consider signing up, but I strongly resist using my own image as avatar, despite using my real name. Is there nuance to your policy there?

Lastly, your site is not well mobile optimized (iphone SE). The left menu should be collapsed or wrapped vertically inline.