If you're looking for a market with some size, we've got one for you. One thing we all have in common: we either know people with kids or have children of our own. And like every other skill, parenting can be improved through innovation and education. (With the possible exception of Homer Simpson.) That's why tens of millions of people around the world are hungry for parenting advice. It's also why many entrepreneurs are building businesses around a market targeted at moms and dads who want to be either better at what they do or -- given the pace of life today -- at least more efficient at it. Hoping to make good on this opportunity are a number of startups ... [ Read more ]