Not feeling good. Brain kinda mushy.
So in lieu of a proper post, I just want to post a link to something that I found both interesting and pretty. It's an animation of the flight patterns of aircraft over the United States. You may well have seen it already, not least because I think it has been all over the Internet recently, but in the hope that it is new to you, here it is:
Interesting and/or pretty thing
Hopefully a fuller blog post next time, folks.