What makes a product sell well? Thirty years ago, a fancy infomercial and word of mouth might have been enough to get a product into every home in America. These days, though, people want to know if what they’re buying is actually any good. Sometimes a name brand is enough to sell a product. People know what to expect from the next Apple iPhone or Chevy truck. Other times, people need to check the internet for reviews before they buy a product. In our modern world, a quick Google search is enough to tell you whether or not a product...