Open thread, May 15 - May 21, 2017

If it’s worth saying, but not worth its own post, then it goes here.


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1. Please add the ‘open_thread’ tag.

2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)

3. Open Threads should start on Monday, and end on Sunday.

4. Unflag the two options “Notify me of new top level comments on this article” and “