Ideas are easy. Implementation is hard.

You know, if you're Guy Kawasaki and you create a car that gets 500 miles a gallon with zero emissions, people on the Internet would say: 'I could have done that in half an hour, and it's been done before. What's the big deal? I expected something more from him.' Meanwhile, they didn't do it, right? They're still living at home with their mothers.

When you give people too many choices it makes them hesitate and not buy stuff.

Do not write to impress others. Authors who write to impress people have difficulty remaining true to themselves. A better path is to write what pleases you and pray that there are others like you. Your first and most important reader is you. If you write a book that pleases you, at least you know one person will like it.

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.

You have to start with the basic premise that you need to know what your competition is doing.

Facebook is for people, Twitter is for perspective, Google+ is for passion, LinkedIn is for pimping