Author here: It's powered by Instant, the company I helped found.

The counter is pretty easy to set up.

Here's how it works on the blog:

1. You set up a schema:

2. And then use `presence` to write an ActiveCounter:

Your product placement link to instantdb totally worked btw (as in the one in your allowed websites not this one here)

	▲	stopachka 6 days ago \| parent [-]
		Heck yeah : ).