Math...

I haven't opened twitter in a week and a half - I've just been too busy, but I will get back to it, starting tomorrow. So yes, I will continue the link roundups, but I just couldn't do it when I had my committee meeting, it's aftermath and a talk (which I just gave an hour ago).

Anyhow, in the meantime, I have a short video for you - and don't worry, it's short.