Coming from the U.S., you tend to look at one homogeneous market with 350 million people. But in Europe, every country has its own customs and laws.

Writing a book isn’t an easy process nor is it always enjoyable, but it is one of life’s most satisfying achievements.

The most powerful sign is that your work no longer enchants you - it's not deep, delightful, and mutually satisfying. When this happens, it may be time to look for new challenges.

My recommendation for SEO is very simple. It’s Write Good Stuff. In my mind, Google is in the business of finding good stuff. It has thousands of the smartest people in the world, spending billions of dollars to find the good stuff. All you have to do is write the good stuff; you don't need to trick it. Let Google do its job and you do your job.

The essence of evangelism is to passionately show people how you can make history together.

You really can't spend money on social media unless you really try. Social media is really more about effort than expense.

I think that no one, or very few, are born as good presenters. It's a skill that you learn.