A more thorough explanation:

The Canadian Anti-Spam Law of 2010, also known as CASL, is a law that helps protect individuals from unwanted electronic commercial solicitation. CASL works together with other Canadian laws, such as the Personal Information Protection and Electronic Documents Act (PIPEDA), the Canadian Radio-Television and Telecommunications Act, and the Competition Act, to create a framework for protecting personal information and regulating electronic communications.

Canada is often seen as taking a "middle course" between the European Union's strong emphasis on individual privacy and the United States' strong emphasis on commercial freedom. However, with the enactment and implementation of PIPEDA and CASL, Canada is moving closer to the European Union's approach to protecting personal information and requiring consent for electronic communications.

For example, CASL requires companies to obtain prior consent, or "opt-in," from individuals before sending them commercial electronic messages. This means that companies cannot send emails or text messages to people unless they have given permission first. This helps protect individuals from receiving unwanted spam messages and gives them more control over their personal information.

Another example is PIPEDA, which sets out rules for how companies must handle personal information. For instance, companies must obtain consent before collecting, using, or disclosing personal information, and they must take steps to protect that information from unauthorized access or disclosure. These rules help ensure that individuals' personal information is treated with respect and kept secure.

Overall, these laws work together to create a legal framework that helps protect individuals' personal information and regulate electronic communications in Canada.