See, that's the kind of thing you need a shared space for. Who's going to notice your horse head in a private office??

Indeed: https://www.google.com/maps/@40.708501,-74.006614,3a,75y,190...

I think that's just what they call "business casual"?

See also http://www.popsci.com/technology/article/2013-06/lets-all-ju... (though it looks like the chap there forgot the unicorn head)