I lived through a major natural disaster that left me an evacuee for months. Facebook's safety check is the only reason I haven't killed my account and I've said this before in prior comments here on Hacker News. https://news.ycombinator.com/item?id=14412146 Thank god the author hasn't lived through an event where everybody you know is affected by the event. The ability to say "I'm okay", say it once, and have everyb…
About 500 people were directly endangered by this incident. The Safety Check alert seems to extend well beyond Greater London, so at least 9 million people. That gives us an approximate false positive rate of 99.995%. Is that reasonable or proportionate? Does it actually provide useful information? Is it likely to quell unfounded fears and provide genuine reassurance? As tragic as this incident was, it affected a sin…
I live in London but have friends around the world that haven't visited me yet and don't know where I live. After an event like yesterday I get a lot of messages asking if I'm ok, so using the safety check can help even though there was no remote risk that I could've been affected.
I think it's reasonable that the safety check area is that large, it helps for friends/family who don't know exactly where you are.