Maybe replacing textbooks is not what the iPad is not aiming to do. For those who are not in the know (pun intended) check out http://kno.com/ http://kno.com/ w

Maybe replacing textbooks is not what the iPad is not aiming to do. For those who are not in the know (pun intended) check out http://kno.com/ http://kno.com/ which is actually aiming to replace textbooks.