First, I challenge Aryn Karpinski to find a larger sample of College students who are NOT on Facebook. I'll argue that it will most likely impossible with the network hitting 200 million users last week.

Today's college students have been on Facebook for years. It's become an ingrained component of their social culture and communication. In this study, you could replace the term Facebook with "cell phone" or "fraternity parties" or "drinking" and come up with the same skewed findings.

Part of the college experience is learning how to divide your attention among multiple tasks - both for pleasure and work. Multitasking is a necessity in the professional world.

Students who point blame at Facebook for their lack luster grades should really examine their own time management skills and not try to find a scapegoat for their absence of discipline...