Re: PowerPoint considered harmful (was Re: Barely literate minutes)

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On 12/02/2012 03:27 AM, Brian E Carpenter wrote:
Yes. It escapes me why we would hamper ourselves by *not* using diagrams
to explain complicated new ideas. The first time. Not the second and
subsequent times; that's why we have proceedings.

It also escapes me why we would hamper ourselves by not projecting lists
of open issues. True, almost everyone has a little screen on their knee.
Mine is usually full of jabber sessions for clashing WG meetings, the
text currently under discussion, etc. I prefer to see the current
discussion item on the big screen.

We should also remember that in our community with very diverse ways
of pronouncing the English language, the words on the big screen are
sometimes better understood than the words spoken.

I do agree that the ability to write new stuff on the screen in real
time was a significant advantage of the old acetate sheet. That is
clumsy to do with PPT.



I have no objection to using PPT to display diagrams or lists of open issues. And I understand that PPT can be of aid to those (including me) who have trouble with understanding the diverse ways that English is spoken.

But I still maintain that there's something about PPT and similar tools that tend to degrade interaction rather than facilitate it, and that this is tremendously damaging to the way IETF working groups conduct their face-to-face sessions.

For example, PPT is much better at conveying short, bulleted lists than diagrams. It's tedious to draw diagrams with PPT, and I suspect, with most similar tools. Most computers still have keyboards which are good for inputing text, but most computers don't have an input stylus for drawing. And it's much more time consuming to draw adequate drawings with a mouse or trackpad than to draw them on acetate with a pen.

For another, PPT's ability to rearrange slides actually makes it really good for working out the order of things to be presented. There's nothing at all wrong with using PPT in that way, as long as the slides aren't actually projected on the screen, and the speaker doesn't feel compelled to follow them closely. (The PPT files could still be made available for download, even in advance, thus inviting participants to prepare their own questions and counterpoints in advance.)

Also, there's something about PPT that seems to encourage speakers to attempt to capture everything that's possibly relevant to a topic, and thus, to fill up all available time, leaving none for discussion.

Maybe this is why the best way that I've ever discovered to use PPT is to help me collect my thoughts and organize them into a logical sequence for presentation; then to identify the points which are best conveyed by drawing and to incorporate those drawings into the presentation; then to "hide" all or almost all of the text-only slides.

If we want to work effectively, we must not let our work habits be dictated by newer technology, especially when older and simpler technology works better. If slide projectors, sheets of acetate, and appropriate pens are no longer readily available, perhaps we need to ship large dry-erase boards and markers for those to every meeting.

Keith

p.s. I certainly acknowledge the difficulty in understanding different dialects of English. But it strikes me that part of the problem is the high level of ambient noise in the presentation environment, resulting in large part from having large numbers of people in the room who aren't paying (much) attention and who are each generating small amounts of noise, say by typing on laptops, or chatting quietly with those sitting near them. This is just one way that people who are just "camping out" in a room distract from what is going on.



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