There are, of course, a number of problems with this sort of “mood map.”
It really measures the mood of only the most vocal; most people who work in a physical trade don’t carry a cell phone with them so they can tweet all day. It’s mostly the chattering class that chatters all day. This sampling error is problematic for what the builders of this technology propose to use it for —a replacement for or compliment to polling data.
It can be easily “gamed,” as well; this sort of concept works as long as no-one catches on, and [...]








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