I first saw the theatrical trailer for 'Yes Man' a couple of months ago, and the first thought that entered my mind was 'Greeaaat, yet another one of those kinds of Jim Carrey movies'. But the premise intrigued me, so I made up my mind to see it when it hits the theaters. The movie's tag line is that "One word can change everything", where one miserable bank clerk's life is changed forever by just saying 'yes' to everything, a premise lifted from author, producer and journalist Danny Wallace's biography about his experiences when he said 'yes' to each and…