This was the title of Karen Blakeman's presentation for the CLSIG debate in Birmingham on 1 March. Her blog notes :
"I have given the presentation a Creative Commons 3 non-commercial by attribution license, which means you are free to download and re-use it as long you cite me as the author and you don’t sell it for a heap of cash!"
I found it really thought-provoking. Contains some super examples of how we are all using Web 2.0
for finding information, using Web 2.0 to check information, and that we are often using it without knowing it! View it here.