Down detector is a self-reported platform, they use a baseline over 6 months from user reports to try to automatically "detect" if there is a real outage, or if its just a couple end-users. Ultimately, the outage is entirely based on users going to down detector and clicking on "Report a Problem".
replyHuh. I thought they used to also do sentiment analysis of social media (Twitter, at least). I see that they definitely don't today, but has that always been the case?
replySo Down Detector is a kind of quantum observation experiment, observing influences the result.
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