It's brilliant until the information is bad. When Facebook's properties all went down in October, people were saying that AT&T and other cell phone carriers we

It's brilliant until the information is bad. When Facebook's properties all went down in October, people were saying that AT&T and other cell phone carriers were also down - because they couldn't connect to FB/Insta/etc. There were even some media reports that cited Downdetector, seeming without understanding that they are basically crowdsourced and sometimes the crowd is wrong.