Should you share a pattern with a friend?

This weeks episode includes discussions on#artnouveaucardigan by @ElenorMortenson yarn from @skeinmachine @blackwattle.#AlmaCardigan @Sanna_and_coColourwork v mosaic for ribbingChanging your knitting techniqueitalian cast on#Astravest @ambahobrien @maximoo #ViolentbloomSock#emotionalsupportchicken @theknittingtreelaMattress stitch#vegalavenderyarn @yarnwick @garnbutikennystvindan vikinggarn #glowinthedarkYarn from woodpulp @svartafaretgarn #babytencelThis discussion comes in around minute 30.What can you do with a pattern once you have purchased it? can a designer dictate how you use it?  The difference between sharing with a friend and putting it on a web page or pretending it is your design.Perfect listening while knitting.