They might be getting mixed up with the “close door” button, which is something always included because it makes people feel better but when you order the elevator you can choose whether it actually does anything or not
In the US the door close button is required to work in "fire service" mode, so that's why the button is always there.
Outside of fire service the button most likely will work, just that it can't override the minimum open door delay mandated by the ADA, so it feels like it doesn't work. You may be able to trick the logic into disregarding the timer by pressing door open and door close immediately.
In Europe, there is no "fire service" mode that I know of, so the button isn't always there. But if it is, it basically always works and doesn't have a minimum delay.
> it can't override the minimum open door delay mandated by the ADA
I've definitely seen this not be the case, though it is probably in elevators older than the ADA. I lived in a building where selecting a floor or using the "Close Door" button immediately began closing the door. Some hotels as well.
Government is supposed to follow the law as much as everybody else. Whatever they do has to hold up as legal in court when contested. If they acquire information illegally they will be losing trials.
>> Nothing can stop the tower equipment manufacturer like Ericsson from knowing the location of your phone
> False. You can:
> 1) Leave the phone at home
If you're going to be pedantic, at least be pedantically correct. The tower (and carrier) would still know the location of your phone in that case. (It just wouldn't be with you.)
It costs approximately $200 for our house to be cleaned once (by humans). We do it about once a month because we don't feel like spending $200 weekly). It would be great to have it ~continuously cleaned but we the cost/benefit isn't there for having a full-time person.
>> i don't think they will be able to have a lot higher revenue per ride than uber. Not 9x
Why would Tesla need to have higher revenue per ride than Uber? The value of a company is driven (ultimately) by its profit, not its revenue. And Tesla doesn't have to give the majority of the fare to the driver.
Tesla has to pay for the operational and maintenance costs of the vehicle which Uber can offload to the drivers (most drivers barely break even after taking these cost into account), on top of all the ride management infrastructure that Uber deals with.
Higher costs means higher revenue is necessary to break even. It's basic math. Don't even need to get to first order principles.
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