For the curious, the source[1] mentions "Pixel Perfect Timing Attacks" by Paul S...

		startling on June 8, 2014 \| parent \| context \| favorite \| on: jSpy: Automatically detect user's history For the curious, the source[1] mentions "Pixel Perfect Timing Attacks" by Paul Stone[2]. [1]: https://dl.dropboxusercontent.com/u/192234503/jspy/scripts.j... [2]: https://media.blackhat.com/us-13/US-13-Stone-Pixel-Perfect-T...