Author and business guru Brian Tracy once said, "It's important that you spend time thinking about the future. You're going to be spending a lot of time there.
Mark Penn has spent his fair share of time thinking about the future. His new book
Author and business guru Brian Tracy once said, "It's important that you spend time thinking about the future. You're going to be spending a lot of time there.
Mark Penn has spent his fair share of time thinking about the future. His new book