People are free or cheap. Marketing: using Twitter or blogs. Cheap or free. Infrastructure: call up Amazon, call up Rackspace, terabytes of data in the clouds, thousand dollars, two thousand dollars.

Original visions are often wrong. Companies have to morph as they learn what customers don't want.

Smart, well-meaning people get it wrong when they start believing that the world owes them something and that the rules are different for them.

I don't want to make more friends. I have four kids, I have plenty of friends, and all the personal relationships I need.

• People deserve a break. The stressed and unorganized person who doesn’t have the same priorities as you may be dealing with an autistic child, abusive spouse, fading parents, or cancer. Don’t judge people until you’ve walked a mile in their shoes. Give them a break instead.

If achieving success were easy, more people would do it.

While we're living, we need to get over ourselves and accept others if we want to enchant people.