Question

Which activity is illegal?

Performing a parody version of a song and posting it online
Building and selling replacement parts for a discontinued product
Giving the access information for your streaming account to a friend
Directing certain advertising to people based on their browser history

Answer 1

3 giving the access information for your streaming account to a friend

Answer 2

Giving the access information for your streaming account to a friend is illegal because it is a violation of the terms of service of most streaming platforms.