How active are you each day? Even if you manage to exercise 30 minutes per day, 6 days a week, that totals only 3 hours per week. How can you add more to your already hectic schedule?
Overall activity is more important than just exercise, especially for those people who don't like structured exercise or frequently miss their workouts. How many times have you heard "take the stairs more often" - it's hard to get motivated when you can't measure your efforts!