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Re:Show HN: We track Reddit, Google trends, Twitter, etc. to... by framschwartz on Wednesday August 07, 2019 @01:11PM (#20636695)
Very cool! And yes, all the data is out there and is public, it's just a problem of filtering through the noise to get the signal. Because < 0.01% of topics discussed online are sustainable trends, it can take a bit of engineering work to do this all...

1. at a non exorbitant cost 2. in a time period where it takes less time than the cycle of information otherwise it's useless by the time the trend is surfaced.

Re:Show HN: We track Reddit, Google trends, Twitter, etc. to... by chx on Wednesday August 07, 2019 @01:39PM (#20636959)
Yeah, as I said, this was primitive: Stanford NLP was used to extract keywords out of tweets and then it was down to measure the velocity of keywords.