Here is a great collection of internet marketing related infographics. This is Volume 2 of the set and comes with all the source files so you can edit them any way you want.
One of the best things about infographics is that you can obtain a ton of free traffic from social media platforms, such as Facebook, Instagram, and Pinterest, just to name a few. You are going to receive 20 different types of infographics in 4 different formats (AI, Fonts, PNG, PSD).