I used Facebook as a reference. Since it's all blue, I guess lower score denotes bad sentiment. Extrapolate it and you get to see it make sense. People are mor

I used Facebook as a reference. Since it's all blue, I guess lower score denotes bad sentiment. Extrapolate it and you get to see it make sense. People are more positive about Microsoft now than before, Apple and Netflix get an even sentiment through the years, Google and Amazon used to be yellow then turned blue since 3 years or so. And good old Facebook is perpetually in the blue.