Word of mouth epedemic...

Recently I have read an interesting book called "The Tipping Point" by Malcolm Gladwell. Which, in short discussed epedemics and how they came to light. I as I was watching the news on friday night a current example of word of mouth epedemic arose, "les miserables" apparently people in New York, were simply flocking to see it as they were celebrating there 25th anniversary of being in production. Here are some more interesting facts, that I stumbled across, that I found out about les miserables as I researched it,  trying to discover as to why it had become such an "epedemic" recently... http://search.bbc.co.uk/click/p/1/ds/best/t/News%2520%252d%2520Bon%2520anniversaire%2521%252025%2520facts%2520about%2520Les%2520Mis/id/17231394218266128614032889734301000/sp/6b628b91fee1c20abad9bdb980f9219f/-/http%253a%252f%252fwww%252ebbc%252eco%252euk%252fnews%252fentertainment%252darts%252d11437196