This is an interesting use of mapping – its shows the location and information about the protest, as the creator notes:

The? colors are Red: resulting in death, Orange: major injuries, damage, arrests, Yellow: minor injuries, etc. Green: Peaceful…the number of pickets is the size, 1: Under 100, 2: 100-1000 3: 1000-10000 4. 10K – 100K, 5. Over 100K.

Source.