This is interesting. I wonder how much it costs to install these on a mass scale. Unless congested cities work to separate pedestrian traffic from vehicular traffic, this may very-well be the most-reasonable and cost-effective measure available.
We have updated our privacy policy to be more clear and meet the new requirements of the GDPR. By continuing to use our site, you accept our revised Privacy Policy.
This is interesting. I wonder how much it costs to install these on a mass scale. Unless congested cities work to separate pedestrian traffic from vehicular traffic, this may very-well be the most-reasonable and cost-effective measure available.
Very interesting.
interesting article.