We are on Discord.
You can post directly in the #general channel if you want to make a public comment.
You can also mention @Quantomas if you have a request or wish to post in our more specific channels.
Alternatively you can send me a message.
If you have signed up for our newsletter, you can also reply to the newsletter by email.
Additionally you can contact me via the website of my company, Tesla Minds. It's in German, but the contact form is simple.
You find me on Signal too, +491779298365.