Reusing material on social media

A hat tip to Kirsty Rolfe for favouriting this retweet from Sjoerd Levelt:

I highly recommend going to the tweet and viewing the conversation that led to this change.

The blog post from Himsworth Legal is here: http://www.himsworthslegal.com/medieval-reactions-a-modern-day-problem

The issues raised in it are necessary knowledge for reuse of material rather than being abstract thoughts.