- An idea.
- An idea which people need.
- An idea which people need and want.
- An idea which people need and want, now.
- An idea which people need and want, now and can't get it elsewhere.
- An idea which people need and want, now and can't get it elsewhere for which they are willing to pay you.
- An idea which people need and want, now and can't get it elsewhere for which they are willing to pay you and can be operated from your iPhone and needs just $100 start-up funding.