This case study features Harold Hoagie who owns a sandwich shop called The Sandwich Solution. Harold has recently becoming aware that several of his competitors utilize social media networking sites to promote and communicate with their customers and that many of the business employ a social media marketing specialist. After interviewing several of these marketing specialists, Harold has decided that he too needs to be utilizing social media networking sites to promote his business and to communicate with his current customers. He wants to hire a marketing student with knowledge of the Building Blocks of Competitive Advantage to suggest a marketing approach for The Sandwich Solution. He also realizes that it will require a great amount of time to monitor any social media networking site, so he would initially like the hired student to select only one site through which to promote/communicate to customers.