Case Study: How SEM Increased Direct Sales and Web Traffic in a Crowded Market In this how-to SEM case study you'll follow the steps that led to a B2C company's 50% increases in web traffic and 35% increase in sales on organic search alone during the initial four months. You'll also learn how the company's PPC campaign experienced triple digit growth in PPC while lowering costs per sale. * Travis Low, Director, Search Operations, Webmarketing123