"The Black Box for Bikers"

According to the National Safety Council, bicycle collisions cost over $4 billion a year.

In 2010, The National Highway Traffic
Safety Administration reported that 618 American bicyclists died and 52,000 were injured in collisions with automobiles.

After at hit-and-run driver left its employee Jason Poindexter lying bloodied on the highway last year, the R-and-D department at media lab