"The Millionaire Next Door" reveals that most Millionaires tend to start simple Businesses such as Dry Cleaning,Janitorial and Welding. A lot of businesses are simply imporovements on old ideas. If you can do something better faster or more efficiently thane existing businesses you can have a succesful business. It is not necessary to reinvent the wheel. The man who founded Starbucks found that coffehouses were a staple in Italy and Europe but,they were a new opportunity in the U.S. I have read that Federal-Express was simply a new twist on the old Pony Express. I do understand that when you want to pursue a passion you have to get creative iut,generally speaking it is not necessar to come up with a new application for success. If there are obvious ways to pursue your passion you are lucky although you might want to be creative in finding better ways to pursue it. Some books on creativity are "A Kick InThe Seat Of The Pants"",Borrowing Brilliance" "six Thinking Hats" and Brainsteering" Also check out books by Doug Hall who has worked with Business creativity in companies such as Proctor & Gamble. You can find ideas by listening to people's complaints. You should realize tjhat a problem you have might also be the beginning of a good businesss idea as well.