How have iconic logos evolved over time?

Do logo changes tend to correspond to periods of revenue growth for brands?

To find out, C+R Research examined the important logo changes of 13 well-known brands: Starbucks, Apple, Google, Amazon, Levi's, Microsoft, Dell, Twitter, Nike, Coca-Cola, IBM, Shell, and Airbnb.

As part of the analysis, the researchers mapped major logo changes to each brand's revenue history.

Check out the infographic below to see the findings:

About the research: The report was based on analysis of the logo changes of 13 major brands: Starbucks, Apple, Google, Amazon, Levi's, Microsoft, Dell, Twitter, Nike, Coca-Cola, IBM, Shell, Airbnb.