THAT'S NOT WHAT THE STUDY SAID AT ALL WHAT EVEN IS THISpic.twitter.com/AIDcfXwloq
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
Also can't find the lead author on twitter but the senior author is @RonaMossMorris so I'd recommend a follow this looks like really good research
P.S. I was originally going to Have A Yell at the Mail for this because it sounds like nonsense but actually that's what the study shows so I tip my hat to those who've proven my skepticism unfoundedpic.twitter.com/9QQZ0qvICK
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.