This document summarizes a lecture on using profiles and pages on Facebook and Pinterest for business purposes. It discusses how companies can use social media strategically to engage customers, monitor conversations, and test marketing campaigns. Specific examples are given of how brands like Old Spice, Gatorade, and Nordstrom use Facebook pages and Pinterest boards to interact with followers, drive traffic, and increase sales. The document stresses that social media allows businesses to directly influence brand positioning and be part of customers' daily lives if used for participation and two-way communication rather than just broadcasting messages.