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   RE: [xml-dev] The Cognitive Style of PowerPoint

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Hi Sean,

I think this topic becomes 
how one shapes the audience's thoughts and does 
the audience reaction shape the presentation. 
This becomes using XML to support an 
adaptive interface/presentation.

I think of it like the difference between bar bands 
that don't use set lists and concert bands that do. 
If there is any opportunity for significant changes 
between each song/topic, it is a good idea to use a 
set list.  If the change is reaction from the audience, 
then an adaptive/improvisatory talk is useful.  In both 
cases, the presenter/performer needs bits to do to fill.
Standup is a very hard act.  IMO, people who don't
either bring a paper or provide a redistributable set 
are doing standup and their presentation is more likely 
to have a higher mixture of polished bits to detail.

Is the presentation well-rehearsed, a noodle, or both.  
One asks about the purpose of the presentation.  
Is it a factual presentation, a rhetorical presentation, 
some combination?  What do I want the audience to take away?
Is this meant to be a repeatable performance?

Good insight.  XML is torn between the cognitive styles 
of programmers for whom markup was not originally designed 
and authors for whom it was.  Note the recurrent attempts 
to reshape XML Schema in particular and XML in general to 
be object-oriented programming languages because the language 
designer insists on reflecting more of their own runtime 
designs in a language that is really only good for encoding 
the properties of their data.  The tool often shapes the goal.


From: Sean McGrath [mailto:sean.mcgrath@propylon.com]

[Len Bullard]
 >The tool absolutely shapes the way we think about topics[...]

Indeed. Programmers are an excellent example of this. At XML 2003 I had 
occasion to remark that a Prolog programmer can write Prolog in *any* 
language. This is of course a variant on the classic observation about 
Fortran programmers.

It is fascinating to conjecture which types of cognitive shaping by tools 
are good and which ones bad. I will leave you with two words:

	Visual Basic


One of the fascinating things about the XML world is that XML programmers 
work with highly structured text - computer programs.
I think it is interesting that they predominantly use text editors (emacs, 
vi etc.) in their work. I.e. *non structured* editing tools. The same 
people, by and large, think that authors/editors *should* use structured 
editing tools. An interesting juxtaposition of goose and gander.


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