As the company's product manager, your boss (the marketing manager) is concerned about the future success or viability of the product line you oversee. She wants to make sure that you understand the reasons that could cause a popular product to become an unpopular product.She asked you to meet with her and discuss three products and/or services that seem to have declined in consumer demand, severely hurting these other firms. To keep this from happening in your own firm, your boss has asked you to describe some examples of this phenomenon and your opinion on why the popularity declined.Reasons that popular products decline in demand could be the economy. Marketing, and technology.Most companies try to market the younger generations because they are the future. Over the years technology has taken consumer demand to a whole new level. 3 products that have declined over the years in customer demand would be the telephone, typewriter and Music.Telephones over the last 50 years have changed. First there was the round dialer which took forever to dial a number, then the pushbuttons, and we have come all the way up to cordless in the home.Most people do not have a landline anymore,