You’d better look out.
Quantum Santa delivers all presents simultaneously until he is observed.
http://www.null-hypothesis.co.uk/science/spoof/item/quantum_mechanics_Santa_Claus_Christmas
http://www.dtfizzix.com/QuantumSanta.html
http://www.dispatch.com/content/stories/science/2010/12/19/santa-and-quantum-mechanics.html
