Social media optimization is a known business necessity. Owners understand that for their venture to withstand the competition and survive in the current economic environment, they need to be on Facebook, Twitter, and other social networks. They need to update fan pages, upload photos, and interact with their audience. After all, 67% of all Internet users use social networks, according to Pew Internet research. Indeed no online marketing strategy is ever complete without it. But at the end of the day, its sales—not likes, retweets, or repins—that keep the business going.