Social networking seems all-encompassing these days, as we find ourselves tweeting madly from smartphones, joining the group of the moment on Facebook, and leaving little bits of our lives recorded on the pages of Flickr. With the volume of socialization that issues forth from the myriad of social networks now available, one can easily begin to wonder if someday we'll all be swept to our deaths by the never-ending flow. If one psychologist is to be believed, however, while we won't drown in a flood a tweets, our social networking habits just might be what kills us.