1. Goal: Obscure both facts and the central recommendation/message in an emergency that directly threatens National prestige Personal career prospects 7 human lives Technique: Use PowerPoint text badly Imprecision, impausibility & unreliability Bad typography

2. This is the main slide, in a set of 13, with which Boeing engineers presented their conclusions - about the probable damage to Columbia - to their superiors Technique: Use PowerPoint text badly CAIB Report on the Columbia Disaster 2003 Imprecision, impausibility & unreliability Bad typography

3. It has five logical levels and size of indent... Technique: Use PowerPoint text badly CAIB Report on the Columbia Disaster 2003 Imprecision, impausibility & unreliability Bad typography 1 2 3 4 5... five type size and bold/standard type face combinations...

4. ... and the crucial message is hidden behind two obscure numbers on the last line and in the second smallest type size used on the slide Technique: Use PowerPoint badly CAIB Report on the Columbia Disaster 2003 Imprecision, impausibility & unreliability Bad typography The damage to Columbia is probably 640 times worse than anything we have ever even modelled (so prepare Atlantis for rescue mission asap) What needed to be said, was pretty straightforward