How does the amount of blue light we see from our computers and mobile devices compare to the blue light seen from the rest of the world quantitatively? While I

How does the amount of blue light we see from our computers and mobile devices compare to the blue light seen from the rest of the world quantitatively? While I agree that f.lux helps in the night, I'd guess that the impact caused by f.lux to prevent the effect mentioned in the article is pretty minimal. (Obviously, I have no citations or references; just a wild guess.)