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gib444today at 4:30 PM1 replyview on HN

Using Haskell for a horoscope app is like hiring a mathematician to read tea leaves


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saithoundtoday at 4:57 PM

Astrology is a mixture of factual verifiable information (such as apparent positions of celestial bodies at the time and location a certain person was born) and random baseless divinations.

The "whale" users who account for a disproportionately large percentage of an astrologer's revenue tend to know the factual information surrounding their birth fairly well. An app/astrologer who doesn't get these facts right, even for a handful of clients, will get a bad reputation fairly quickly.

I reckon the same principle would hold in cultural bubbles where reading tea leaves is a customary means of divination. If the client recognizes recognize black tea, but the fortuneteller insists it is rooibos, there won't be much trust in the rest of the prophecy.

Advertising that the horoscope shop uses Haskell is actually a solid business idea. It pre-filters for the sort of dev who will be able to do the math.

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