Chad Summerhill

September 17th, 2013

The Excel bubble chart is often overlooked by PPC advertisers, because it can be tricky to set up. However, when used properly, a bubble chart lets you clearly present and compare categorical data (e.g. campaign, ad groups, device, etc.) – represented by the number of bubbles – as well as quantitative data (e.g. cost, conversions, CTR, etc...