The Headlight Modulator is fantastic. During my first ride after installation, people in front of me kept checking their rearview mirrors to try and see what's flashing behind them. So, this is evidence that cage drivers DO know you are riding a small, otherwise transparent motorcycle and are sharing the road with them.
Oncoming drivers stare into the headlight as it pulsates.
Drivers who plan to enter your path from a side street also glue their eyes on your headlight. Before installation, I noticed they'd look both ways, and sometimes still pull out in front of me before catching themselves at the last moment once they finally saw me.