As the biggest seller of advertising space in the world, Google knows a thing or two about marketing. They have distilled some of that knowledge into a series of lessons. Topics include "Create a Landing Page that Lands Customers", "Segment Your Customers to Reach the Right Ones" and "Keep Customers Interested with Email Automation".
“We assembled a small team of our own marketers and challenged them to build a product they would use. The result is Primer.”