The image shown depicts various facts regarding Facebook and internet usage in relation to attention span and addictive personalities. According to the chart shown and an article found here, the effects of Facebook and the internet can have similar effects to using abusive substances like heroin, meth and/or crack. Each notification you receive causes dopamine release that stimulates addictive behavior. Furthermore, internet addiction is now being recognized as a real disorder, and average attention of U.S. citizens has dropped 40% since 2000. Check it out for more interesting facts.