Pros: https://www.tracking-system.com/news/3-tracking-system-information/1200-benefits-of-gps-on-phone.htm......
https://www.trails.com/facts_10153_what-benefits-gps-cell-phones.html
Pros/Cons: http://smallbusiness.chron.com/advantages-disadvantages-cellphone-tracking-34399.html
http://www.trackapartner.com/pros-and-cons-of-cell-phone-tracking
Answer:
monochromatic
explantion:
grayscale is gray
and neutral colors are most clearly defined as hues that appear to be without color, and that don't typically appear on the color wheel.
polychromatic is simply used for multi-coloured art, or things decorated in- or having several colours.
