According to Wikipedia happiness is defined as a state of mind or feeling characterized by contentment, satisfaction, pleasure, or joy. Science and Religion Today recently posted that researchers have come up with a new way to measure our collective happiness—by analyzing the millions of blog entries that include the words “I feel” or “I am feeling.” Now you can buy iPhone apps designed to boost happiness. Elizabeth Scott from About.com describes the iPhone app, LiveHappy, as being “truly useful tool for stress relief in that it’s based on the principles of positive psychology, and can help you actually create habits that are proven by research to help you live a life that includes more happiness and less stress (or more resilience toward stress).” Below Stephen Post, author of Why Good Things Happen to Good People, discussing the science of happiness and the effects of negativity. [youtube=http://www.youtube.com/watch?v=yAB7xU0FtMs] What do you think, is happiness measurable? Do you believe an app can make you happier?