they don't. they say "approximately" based on the studies we have https://twitter.com/DrDorianCramer/status/696735667922071553 …
@DrDorianCramer I think everyone acknowledges for "treatment" that's the case. Desistance has more solid base
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@DrDorianCramer I think everyone acknowledges for "treatment" that's the case. Desistance has more solid base