On Tuesday 13 January 2015 09:22:25 Andrei POPESCU wrote: > This thread reminds me of > > https://xkcd.com/936/ > > and > > https://xkcd.com/538/ > > P.S. Sorry if these have already been posted, didn't go through the > entire thread yet. :-)) Thanks Andrei. Loved the second. I already knew the first, so it lacked the element of surprise! Lisi