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PowerPoint without sound very slow to download (no doubt associated with geography). Difficult to understand structure of PP. Information content far lower than BMJ.

BMJ gives better clues as to what the links contain. Technical/environmental limitations preclude the use of sound, but anyway, for retention of information I prefer text and graphics, which you can easily review, and absorb at your own speed.

Of course, the comparison depends on the quality of the actual documents. I've seen some far more comprehensible PP presentations and far less comprehensible e-journal articles. This PP presentation just turned me off - too 'busy', couldn't decide what to focus on, a lot of the content seemed to be of limited relevance to the main message, whatever that was. Maybe that 'nanny' style checker does have a function after all.

PP does have a useful function as a visual aid in live presentations, but I believe it should always be supplemented by reference material, which the audience can take away or look up afterwards. I don't see much point in using PP for purely web presentations - html with the possibility of including images and perhaps sound clips has better functionality, and doesn't enslave you to Microsoft.

Or maybe I'm just an old fogey (aged 61).