And Nicholas Carr's "The Shallows" has the evidence to prove it
via Salon.com, by Laura Miller
Concentrated, linear thought doesn't come naturally to us, and the Web, with its countless spinning, dancing, blinking, multicolored and goodie-filled margins, tempts us away from it. (E-mail, that constant influx of the social acknowledgment craved by our monkey brains, may pose an even more potent diversion.) "It's possible to think deeply while surfing the Net," Carr writes, "but that's not the type of thinking the technology encourages or rewards." Instead, it tends to transform us into "lab rats constantly pressing levers to get tiny pellets of social or intellectual nourishment."Read it all.