Public discussions are part of what it takes to make changes in the trillions of graphics published each year.

In his essay "The Cognitive Style of PowerPoint" Tufte criticizes many properties and uses of the software:
It is used to guide and to reassure a presenter rather than to enlighten the audience;
It has unhelpfully simplistic tables and charts resulting from the low resolution of early computer displays;
The outliner causes ideas to be arranged in an unnecessarily deep hierarchy itself subverted by the need to restate the hierarchy on each slide;
Enforcement of the audience's lockstep linear progression through that hierarchy (whereas with handouts readers could browse and relate items at their leisure);
Poor typography and chart layout from presenters who are poor designers and who use poorly designed templates and default settings (in particular difficulty in using scientific notation);
Simplistic thinking from ideas being squaEdward Tufted into bulleted lists and stories with beginning middle and end being turned into a collection of disparate loosely disguised points. Beautiful Evidence. The Civil Rights Movement and Its Opposition.

Edward Rolf Tufte (pron. He is noted for his writings on information design and as a pioneer in the field of data visualization.