Other subtypes of Internet addiction -- such as social media addiction -- have not been studied enough to receive their own clinical definitions or treatment recommendations. But some of the research on Internet addiction in general may shed light on Thibault's observations about social media.
Psychiatrist and neuroscience researcher Sean Luo of Columbia University told CBS News studies have shown that "3.7 to 13 percent of U.S. and 10 percent of South Korean Internet users express some symptoms of of inappropriate Internet use." He estimates that at least 1 percent of Internet users worldwide need treatment.