Remember that the idea will expand, and become more ambitious as you go.

Most things are not as risky as they seem.

If someone is difficult to talk to, if someone cannot communicate clearly, it's a real problem in terms of their likelihood to work out.

Unpopular but right is what you're going for.

It's difficult to get large groups of people, to the extreme levels of focus and productivity that you need, for a startup to be successful.

The thirteenth search engine- and without all the features of a web portal, most people thought that was pointless.

You also really want to take the time to think about how the market is going to evolve.You need a market that's going to be big in 10 years.