Need or Want: Your New Product or Service Will Succeed if it Addresses Need

I have always tried to teach my children the difference between needing and wanting a product. This is a value judgement that applies to every human, many times in surprisingly differing ways. People born to great wealth view need far differently than those of us born to the lower classes. I might need an efficient baby stroller for my grandchild, while a Beverly Hills grandpa needs a Bugaboo (the Danish stroller that can sell for well over $1000). Both do the same job, I need a stroller that safely holds and transports my grandchild for about $130. The Beverly Hills grandpa wants a stroller that transports his grandchild safely, and also, stylishly, offering many more features than my