Nanny state/s pedestrian & cyclist catchers.
These systems will be redundant when computer-assisted or complete autonomous vehicle systems finally take over the wheel and sadly, you become a passenger-only occupant.
Pedestrian Airbag Just Might Save Your Life | Longboardism.com
Or airbag body panels?!
iSAVE: Airbags Attached To The Outside Of Cars | TechCrunch
jk.
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