Eventually all our assumptions need to be either validated or disproved. In the world of business, the sooner we have clarity on foundational beliefs the better decisions we make with increasingly better results. Entrepreneurs have a sense of timing and intuitiveness that allow us to take calculated and yet successful risks early in our enterprises. Unfortunately this “beginner’s luck” is not a sustainable business practice and the same skill that got us going early on can lead to our undoing. Take online advertisement for example. Intuitively we think that Generations X and Y would spend more time online than any of the previous generations since they are digital natives as opposed to digital immigrants for the rest of the population. As it turns out, Baby Boomers spend more time online than any other demographic*. As a marketer my understanding that 46-65 year-olds spend more time online than their younger counterparts…