I recently stumbled upon a system called the 21 Day Fix, which is essentially a group fitness program that attempts to get everybody on the right track with exercise and nutrition over a 3 week period. Before I begin, however, I want to stress that this is not meant to be a sales pitch for the system, as I haven't seen the entire 21 days in action, but the initial concept was so compelling to be implemented in an apartment community, I couldn't help but share. This program takes a community approach to self-controlled workouts and nutrition. At least in the situation I saw, it was sold by an independent rep, similar to how people sell Tupperware, Mary Kaye, etc. But rather than selling strictly a product, this is both a set of products as well as a community approach to fitness. Each person gets...