Will be attending an information literacy training session quite soon, so Dave Pattern's comments are (as usual) relevant and thought-provoking. This slide show comes from an event in Sheffield today, related to Summon, search patterns, student research, etc.
Path of Least resistance – principle of least effort.
Students don’t use Google and wiki because they are lazy – they use it because they are easy - "Student’s should not have to become mini-librarians to use the library."