This is great, and a reminder that it's crazy we teach high school kids trig instead of stats or causal inference:https://twitter.com/tukopamoja/status/846481350848888838 …
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
I haven't looked for a good intro text, but I've heard this undergrad version recommended:http://press.princeton.edu/titles/10363.html …
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.