>If you paid U$1000 for a karate lesson, is teaching your friend a bit of karate stealing? Depends on your agreement with the karate teacher. If you agree tha

>If you paid U$1000 for a karate lesson, is teaching your friend a bit of karate stealing? Depends on your agreement with the karate teacher. If you agree that you won't teach other people this technique, then technically, yes. To a friend it doesn't really matter, but on bigger scale, it does. It's called intellectual property.