David, on Dilbert, on the term 'Web 2.0', and its ability to derail meetings.
'User-centric' will just as effectively kill the productivity of a session at an identity together. 'Trust' is a close second in lethality.
I must remember that the next time my slides aren't done in time. Just put up a single slide with 'User-centrism & Trust - diametrically opposed?' in a big font and sit back.
'The bar is open' has also been known to work