The Ledger
Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.
why aren't all 9 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable
Volinsky: AT&T does not monitor or retain call or text content
“We never have any idea of what you're talking about or who you're texting, or what you're texting, the content of your text. All we have is a transactional record that this phone was at this location and made this particular transaction, but we don't know any …”
Volinsky: AT&T always processes mobile network data anonymously
“We always look at the data in anonymous form. We aggregate whenever possible when the application allows it.”
Volinsky: Cell tower location data pegs users roughly within a square kilometer
“And so that might peg you down to roughly within a square kilometer less if you're in New York, more if you're in a suburban or rural area.”
Volinsky: AT&T Labs recently moved into a 30-story windowless building in Tribeca
“We just kind of recently moved into a floor in an old AT&T building here down in Tribeca, and this, you may have seen this if you're down there, it's down on Thomas Street, a thirty-story building with no windows.”
Volinsky: Chicago was an early pioneer in open crime data
“Chicago is one of the first players. They have online a whole bunch of crime statistics. You can go and download the data. They have APIs to it.”
Volinsky: Boston uses Street Bump to improve pothole repair efficiency
“Boston has this thing called Street Bump where you can report potholes so that when they send out pothole crews, they can be more efficient in, in filling those potholes.”
Volinsky: AT&T cell data shows Morristown High School activity spikes
“This was pointed at Morristown High School. So the three spikes on the bottom are texting spikes at the beginning of the day, before school started, during the lunch hour, and when they get out of school. And then you see when they get out of school at two 30,…”
AT&T Labs Drove 12 Morristown Routes 10 Times for Cell Training Data
“We went out and we drove each of these 12 routes 10 times each with two phones in the car, making calls, and GPS running on each one, and to get our training set to understand if you're on this route, what does the cell tower handoff sequence look like?”