Inbound marketing for B2B lead generation has now become a science for marketers. The shift towards continuous improvement using data means that marketers, who are often thought of as creative types, are now being called upon to apply a certain amount of science to their art, in order to create an efficient lead generation machine. Effective inbound marketers are taking on an analyst role and, they accept and embrace their responsibility for generating revenue, not just leads. They examine and interpret the results of their efforts so they can make strategic business decisions. They adapt their marketing efforts where needed and then measure those changes to see if they’re having a positive impact.