Ways to Lie with Charts (2014)

This same fact is there in the right chart, but it’s hidden among a host of other data, softening the impact of the sharp incline in marketing costs, and making that incline nearly impossible to quantify. At first glance these two charts seem to depict two different data sets. This trick works because it’s difficult for us to examine a chart’s scale and data at the same time, says Rosenholtz.

Source: nautil.us