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calebegg

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I find it truly baffling how articles nowadays have three headlines: the one in the URL, the one in the page title (shown by the browser) and the actual one on the page:

heathrow-tells-all-airlines-to-stop-selling-any-flights-until-11th-september

Heathrow tells BA (and other airlines) to stop selling tickets for the Summer period

SOLD OUT: Heathrow tells all airlines to stop selling ANY flights until 11th September

Isn't that just much more work for so little "benefit" (SEO?)

Anyway, now none of them match the title on HN, so I have no answer to your question.

It's a definitional distinction. The "black laptop market" is different from the "white laptop market", in much the same way as luxury good markets work (see also: the Apple Watch Edition). It's the same as with haircuts -- women have proven by and large to be willing to pay more for haircuts than men, so women's haircuts cost more, in general. https://en.wikipedia.org/wiki/Gender-based_price_discriminat...

Price discrimination gets a bad rep because of the name I think, but as Wikipedia points out student discounts are probably the best example and are basically uncontroversial.

I can't find a citation now, but my understanding of why these test use bluetooth is that the FDA + CDC want to know how many people are testing positive. So the app has to report results to them.