We see Facebook as very much a one way street of being a technology that we take advantage of...well 1.5 way street if we count the growing amount of marketing data we provide through the network.  But what effect does this have on our life?  Our social adjustment, our self esteem, our personal relationships and our insecurities.  See below, courtesy of The Online Dating University.  Otherwise, go look at our piece about how Twitter and love do not mix.