Powerpoints have a hard time matching the depth of a refereed journal
submission, because with the powerpoint, soundbites tend to take
precedence over content.
Attention to sidebar on page 192 of the Columbia Accident
Investigation Board report entitled "Engineering by Viewgraphs":
http://www.nasa.gov/columbia/caib/PDFS/VOL1/PART02.PDF
Everybody who makes slide presentations should read this.
I know it has influenced me in trying to make my presentations
clearer and shorter and more precise. If you read nothing
else from the report, have a look at this slide reproduced
below as close as possible to the way it originally appeared
including line breaks and bulleted indentation:
Review Of Test Data Indicates Conservatism for Tile
Penetration