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)

I had a signature here just a minute ago..............

darn dogs must have chewed it up

We have wet noses and we will lick your face

and we are sissy la-la dogs
(big babies)