nswd



individual prices

Whataburger app becomes power outage map after Houston hurricane […] Whataburger is a San Antonio-based fast-food chain with 127 stores in the Houston area. On the Whataburger app, users can see a map of Whataburger locations, with an orange logo indicating a store is open, and a grey logo meaning it’s closed.

Eighteen hundred feet of rail expands by more than an inch for every 10 degrees Fahrenheit of temperature increase. So rails used to be laid down in sections — each between 30 and 60 feet long — with small gaps. Still, in a severe heat wave, the rail can swell until the underlying ties can no longer contain it. Then the rail gets visibly wavy, morphing into what’s known as a sun kink.

Heat waves reduce the number of motile sperm (the only ones capable of fertilizing an egg) by up to 10%

A basic four-stop elevator costs about $158,000 in New York City, compared with about $36,000 in Switzerland. [NY Times]

Airbnb’s hidden camera problem […] The Airbnb employee revealed that when a guest complains of a hidden camera, the company doesn’t – as a matter of practice – notify law enforcement, not even when a child is involved. […] Hidden cameras placed in bedrooms and bathrooms show guests during their most private moments – changing clothes, being with their children, even having sex […] while hotels can be held legally responsible for guests harmed on their property, Airbnb frequently is not. […] Madden initially denied ownership of the camera, which was concealed in a clock radio and pointed at his guests’ bed. Then, he said he put it there for security reasons. Ultimately, Madden admitted he’d been recording guests engaged in sexual activity. “I’m an artist,” he said. “I look at everything, I study everything.” Madden served 14 days behind bars.

how online shopping, persistent data collection, and machine-learning algorithms could combine to generate the stuff of economists’ dreams: individual prices for each customer.

the 19-year-old getting paid to rate Instagram profiles

Positive feedback is often given in an attempt to boost people’s performance. In many cases, however, positive feedback undermines performance […] when positive feedback was delivered before participants started preparing for their next task, it impaired subsequent performance.

The Barnum effect is a common psychological phenomenon whereby individuals give high accuracy ratings to descriptions of their personality that supposedly are tailored specifically to them, yet which are in fact vague and general enough to apply to a wide range of people. […] general characterizations attributed to an individual are perceived to be true for them, even though the statements are such generalizations that they could apply to almost anyone. Such techniques are used by fortune tellers, astrologers, and other practitioners to convince customers that they, the practitioners, are in fact endowed with a paranormal gift.





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