It is illegal to record anyone without their consent in places where there is an expectation of privacy. A shower may fall under that provided you have not bee

It is illegal to record anyone without their consent in places where there is an expectation of privacy. A shower may fall under that provided you have not been given notice that recording will take place. But people can takes photos of you at the gym working out and post thek online for others to laugh at. If your apartment manager tells you they are filming or a sign is visible at the gym they can film you. Connecting to the internet and requesting a resource means you are in public.