I&#x27;d guess that more than half of people I know in tech have tried or occasionally do psychedelic drugs (LSD, Psilocybin, MDMA).  There does seem to be a correlation with an interest in them and computers going all the way back to the beginning.<p>If you&#x27;re interested in the history I found What the Dormouse Said to be pretty interesting.<p><a href="http:&#x2F;&#x2F;www.amazon.com&#x2F;What-Dormouse-Said-Counterculture-Personal&#x2F;dp&#x2F;0143036769" rel="nofollow">http:&#x2F;&#x2F;www.amazon.com&#x2F;What-Dormouse-Said-Counterculture-Pers...</a>