I had a bunch of bay area tech friends all become meth addicts while I was out of the country (2001-2008?). It was self-reinforcing. I think a few people on t

I had a bunch of bay area tech friends all become meth addicts while I was out of the country (2001-2008?). It was self-reinforcing. I think a few people on the periphery died, and then eventually it stopped, although I'd drifted away by then. It was just weird seeing people who had used lots of other drugs without becoming addicts become addicts en-masse.