You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Mass media communication - and explain in detail?
Mass media are a one way communication.They are useful in transmitting messages to people even in the remotest places . The number of people who are reached usually count in millions.Their effectiveness can give high returns for the time and money involved (refer pgno:866 park 23 rd edition)