I don't know why, but Cerevellum plans to make a rear view video camera with video monitor for bikes
. Bikes have no blind spots because, well, it's a bike, so the bicycle rear view monitor only saves you from turning your head and body slightly. If tipping you head or glancing down at the monitor on the handle bar is too much trouble, there is also a head mounted display unit. Only prototypes of the system exist but production version is expected to have GPS
, measure your heart and cost $200. Would you buy it?