These are pretty good. Kudos to the Markov Curator (that should be a job title for someone somewhere).

For those not familiar with Erowid, there's this New Yorker article:

https://www.newyorker.com/magazine/2015/11/23/the-trip-plann...

I didn't know about it before reading it. I since have made a donation. Not because I'm a user of psychoactives but because it represents for me what the web once was and what it should be.