There are a million challenges.

Murray Low: Oh, there's a million challenges of starting a business. Where do you want me to start? But the important things for people to think about are, first of all, is there a compelling idea with a big enough market? Are there customers ready to buy your product or service? And do you have some kind of differentiation, something that will make your product stand out or something that will protect you from competitors who see that you've done a good thing and want to come along and steal your business?