I'm not sure if anyone has posted this yet, but this seems to be pretty awesome.
http://revolights.com/
Here's the breakdown...
QuoteThe arcs of light are formed by LEDs programmed to detect your speed and blink on as they pass the front or rear of the bicycle.
(http://cdn.shopify.com/s/files/1/0122/8442/t/5/assets/howitworksimg.jpg?1791)
Very cool. Good for being seen, but not so good for seeing the road ahead of you. I like to use a light that gives me a lot more reaction time.
Ride at night....better have lights! Could be fined if not Correct. Many are unaware.
Install and use the right lights,enhance personal safetty,reduce risk of COJ infraction.