Seth Godin has a daily post to his blog - here is today's...great for a Monday!
http://tinyurl.com/72cvrbc


He refers to the book "The Tipping Point" by Malcomb Gladwell, see http://www.amazon.com/The-Tipping-Point-Little-Difference/dp/0316346624/ref=sr_1_1?ie=UTF8&qid=1336408455&sr=8-1
Only ten bux as a Kindle book - down load Kindle software to your smarty-phone or laptop.