I started using Twitter about year after its very early adoption and ended up investing in it around that same time. I'm involved with the Tech scene and companies ranging from Facebook, Stumbleupon and Twitter.

Think big and don't listen to people who tell you it can't be done. Life's too short to think small.

Life is too short to be small.

The reason I was successful in launching my first book with bloggers is this: I assumed that I should spend as much time on a blogger with a million-person readership as I would pitching an editor of a publication with a million person subscription-base.

If everyone is defining a problem or solving it one way and the results are subpar, this is the time to ask, What if I did the opposite? Don't follow a model that doesn't work. If the recipe sucks, it doesn't matter how good a cook you are.

But you are the average of the five people you associate with most, so do not underestimate the effects of your pessimistic, unambitious, or disorganized friends. If someone isn't making you stronger, they're making you weaker.

Having a size 9 foot is fantastic because almost all of the shoe companies do their prototyping in size 9, so if you visit a place like Nike headquarters, you can try every sort of wacky, out-there model.