Whether you're a software developer working on the next big app, a service provider running a local boutique business, or an association executive providing education and information to a global membership, you are in business - and if you're going to be successful, you need to keep lots of proverbial balls in the air.

Forbes.com offers a review of The 20 Most Important Questions that you should be asking (and hopefully answering) about your business, including:

• What differentiates your product from the competition?
• How committed are you to making this happen?
• How much power do your suppliers have?
• What is your end game?

What business are you in, and what crucial questions you are currently working to answer?