A few more thoughts from the world of LMS vendor demonstrations: A big LMS is now typically so big, and can do so many things, that a vendor with a two-hour timeslot has to make some tough choices.  Which are the hero tools, the unique selling points, the defining parts of the proposition? Which are the has-been features that look like the other guy’s stuff?  At the moment, the answer to the former seems to be content builders, assessment workflow,…