With summer just around the corner, many people are accelerating their fitness programs to lose weight so they look and feel better. For all the self-motivated, well-disciplined gym rats out there, there are countless others who need a little push (or coercion) in the right direction. Solutions abound from both employers and the business community at-large, offering everything from friendly support and cool technologies to programs that reward and punish. Here are a few of the latest....