On June 9, 2008, Steve Jobs took the stage in San Francisco to unveil the new iPhone.
As he presented the new market share of apple following the launch of the first iPhone, he illustrated it with this graphic
Take 10 seconds to find the inconsistencies in this pie chart …
You got it ?
Doesn’t the green slice here look bigger than the purple slice when the percentages indicate otherwise ?
Here is how this chart should have been modified so as not to compromise the integrity and perception of the chart :
- Remove 3D aspect.
- Change the coloring to be less dramatic, while still relating to the different companies.
- Use a visual that uses length (bar chart) rather than area (pie chart) to demonstrate differences, as humans are better able detect differences in lengths.
Finally here’s how this slide should have been presented :