[This][1] question has a feature request for the days in a row related to fanatic and woot. My guess is tumbleweed is intentionally vague to allow for tweaking over time. And I believe beta can still be awarded, but not to a user who joins today. Only to a user who joined during the beta period and finally asks and/or answers a question.


  [1]: http://meta.stackoverflow.com/questions/865/consecutive-day-count-in-profile