The subscription business model involves customers paying a recurring subscription fee to have access to a product or service. Industries that commonly use this model include magazines, newspapers, television providers, software companies, and fitness clubs. For businesses, subscriptions provide a reliable revenue stream, allow for customer relationship management, and reduce costs. For customers, subscriptions can offer convenience and savings for regular purchases, but can also result in unwanted commitment if usage decreases or privacy concerns. Some argue subscriptions incentivize companies to improve their products and maintain customer relationships.