The universal anti-fake grain mark includes carrier with visible color or monochromic pattern and adhered medium with enquired number and other information.
Among other efforts, they propose affixing vehicles operated by Uber, Lyft and other ride-share services with a printed bar code, so passengers can confirm their vehicles by matching the code to one sent to their phones.
If you remember in a previous video, I talked about a study done at The University of Hawaii, where students literally just turned their desks towards a wall and put a note on a lamp that said Study Area.
This prompted employees to stick post-it notes on the glass to make sure the obstacles were more noticeable, but they were quickly removed because they detracted from the building's design.