Open Thread April 2018

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

Notes for fu­ture OT posters:

1. Check if there is an ac­tive Open Thread be­fore post­ing a new one (use search for Open Thread <year>).

2. Let’s dis­cuss fur­ther in­stal­l­ments in a sep­a­rate com­ment thread.

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