Why is it drug addicts and computer afficionados are both called users?

I owe my success to having listened respectfully to the very best advice, and
then going away and doing the exact opposite.
G. K. Chesterton (1874 - 1936)

T.U.R.D. ( because I'm a stinker)

"We are just 3 little brain cells, trying to find our way in the world."