We all love stories about scrappy entrepreneurs who got their start by happy accident - a chance meeting, a burst of inspiration, a technological advance in, ahem, a 1970s garage. But then what? How did these successful innovators set smart goals to take their idea to the next level? Is there a sweet spot somewhere between strategy and seat-of-the-pants? We'd love to hear from you....

Do you have (or think you need) a business plan? If you've created one, are you sticking to it?