Six ways that can kill great ideas are dismissing an idea by saying "It won't work" without considering how to make it work, rejecting an idea by claiming it was tried before without understanding that circumstances change, rejecting an idea because competitors tried it without considering unique advantages, saying an idea is not someone's job to discourage contributions, rejecting an idea because "it's not for us" which discourages innovation, and laughing at new ideas which discourages people from sharing them in the future.