Sometimes it's good to be in a place where people avoid social interaction all the time!
https://twitter.com/InlandCaGuy/status/1243308119351951360 …
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 think the graph is a little misleading. I think the graph is colored by the current slope (i.e. using only the last N points), which is (eyeballing it) slower than 7-day doubling. But because we were growing faster than that in the past, the data points lie above that line.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.