Suppose you have learned a lot about programming from your employer. Is it ethical for you to use this knowledge to start your own home-based programming business on the side? Does it matter whether...

Suppose you have learned a lot about programming from your employer. Is it ethical for you to use this knowledge to start your own home-based programming business on the side? Does it matter whether you are in competition for the same clients as your employer? Does it matter whether you use just your programming expertise or whether you also use information about clients’ preferences and needs gathered from your regular job?