Enchantment is the purest form of sales. Enchantment is all about changing people's hearts, minds and actions because you provide them a vision or a way to do things better. The difference between enchantment and simple sales is that with enchantment you have the other person's best interests at heart, too.

When you enchant people, your goal is not to make money from them or to get them to do what you want, but to fill them with great delight.

Writing a book is as different from digital curation as night and day. Digital curation is a series of split-second decisions: good/no good. It can even be done algorithmically. Writing is process-intensive activity.

Don't ask people to do something you wouldn't.

I would consider...Google Plus a push technology. It's closer to Twitter than to Facebook.

• 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.

Companies in Europe should stop trying to do the U.S. version of a European idea.