It’s time to retool the 4 P’s of marketing for today’s B2B reality. As a framework for fine-tuning the marketing mix, the P’s—product, place, price, and promotion—have served consumer marketers well for half a century. But in the B2B world, they yield narrow, product-focused strategies that are increasingly at odds with the imperative to deliver solutions.

A version of this article appeared in the January–February 2013 issue of Harvard Business Review.