In the past, you just had to ask your uncle to get you a job in his company. These days we need to identify our strengths and constantly improve our skills. Business guru Heinz Landau suggests spending ten percent of your time on personal improvement; for example, learning a language or a new computer programme. As somebody once said, 'If you work hard on your job, you can make a living. But if you work hard on yourself, you can make a fortune.'