"Tired of not knowing what the opposition's offense is going to do? Buy my video 'Successful Coaching Strategies' for some timely (if a bit shady) coaching (and electronic) tips!"
There's some guy on LinkedIn and flitting around elsewhere hawking 'Crossnet'. Volleyball but with two nets crossing at 90 degrees. Hey, if ballroom dancing could be an olympic sport at some point, the sky's the limit.