Anyone with a little computer experience knows that anything can be copied bit by bit with the right equipment.
But there is no withdrawal, but with tobacco there is terrible withdrawal, it is almost impossible for a lot of people. I did , I went cold turkey, they never had any patches in those days but grass was not difficult, alcohol not difficult, but tobacco - oh my god.
It feels quite cool, in a mad way, to be someone who skulks about in the shadows.