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
There's a lot to digest here, but pay special attention to the Skype claims. FBI made an affidavit for warrants based in part on claims of Skype communications, but how did they know about those first? Chicken/egg problem.
Well, technically they said they only used pen register data. But nowhere explain where they learned these were interesting Chinese targets
Working backwards from source. Collect everything. Show the pattern in metadata. Claim an algo found it. Avoids source attribution.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
