Out of sheer curiosity, I am wondering about the WordPress Answers Twitter account.  What determines whether a question gets tweeted or not?  I see that a tweet goes out roughly once every three hours.  I thought maybe it tweets highly rated questions without answers, or maybe questions with a lot of activity, but [this question](https://wordpress.stackexchange.com/q/111246/32110), with a score of only 1, was [tweeted](https://twitter.com/StackWordPress/status/370745439202840577) 8 hours after the answer (also a score of 1) was accepted.