They can do fun things, but they can also do informative things that help other people.
Frank Katoola, the program's choreographer and director, is an endearingly no-nonsense, funny master of ceremonies who also has informative things to say about the cultures of the countries from which the 12 dance and music pieces come.
Eubank is a learned man and is sure to have interesting and informative things to say about the places he visits – he can certainly educate any man on the correct way to wear a cummerbund.
It seems clear that having a property often amounts to having a certain causal power and in some cases the only informative things we can say about a property are what powers (capacities) it confers on its instances.
Of course, it's entirely possible that Jesus did say many crucially informative things about homosexuality, but that when he did no one around him happened to have handy an ostrich feather, sappy stick, or whatever it was they used for pens back then.
Some informative things are imperfect.
Tell them about interesting and informative things such as about planets, wildlife, human body, etc.
If you haven't seen it, Locog has produced an extremely informative list of things that you won't be allowed to bring into the games venues (if you're a patriotic, big hat-wearing, vuvuzela-blowing, phone-jammer packing, flick knife-carrying type who's fond of a drink, I'm afraid it could be bad news).
Equally, there is something rather noble in the way successive generations of designers have aimed at making universally intelligible signs both instantly informative and elegant things in their own right.
Even the math is fun: see Nate Silver's post today, which is clever and informative — the sort of thing that inspires one to, say, read up on Brian Sandoval, of Nevada.
"Our aim is... to do things with bare hands that you cannot do, to do things that are more accurate and more informative and then you do things that the other alternative techniques cannot do".
