What a service technician told my neighbor, which I can't quite believe:

[IrishAyes]

2. Highjacking tv cable with coaxial was what I meant by 'piggybacking'.

And the phone company's certainly not going to give her anything in writing to allow free use of their service. More like a court summons or something.

I piggyback an open wifi signal from the church across the street with permission too, but that's different. I've noticed there are devices sold to hack someone's locked signal but I wouldn't do that and I KNOW that's illegal.

With today's technology, I bet the phone company can see who's using the fibre optic cable they installed, too. Right from their central office located about 45 miles away.