> Nowadays most people use carts / pens for cannabis use anyway. I wonder if that's true or selection bias. Certainly we see more people with carts / pens, but

> Nowadays most people use carts / pens for cannabis use anyway. I wonder if that's true or selection bias. Certainly we see more people with carts / pens, but I wonder if that's actually true of overall usage. Pens allow it to be less conspicuous and smelly which leads to more conspicuous usage, but flower smokers are still toking in basements and garages.