Doing what you are good at and enjoy doing is the key to your career satisfaction. The biggest changes in the 21st century are the speed and unpredictability with which the labor market changes. The most hopeful aspect of the new opportunities the new 21st century economy provides is the fact that, if we take time to find out who we are and what we can offer, and are ready to put our qualifications to work, we will most likely find the opportunity to do so.