The document outlines a social media case study for 'The Ultimate ROI of Social Media,' detailing a campaign aimed at boosting brand recall and customer engagement for The Mobilestore among users aged 18 to 35. By implementing various strategies, including contests and targeted content, the brand significantly increased its Facebook fan page from 37,000 to over 200,000 fans in three months, alongside notable growth on Twitter. Ultimately, the campaign resulted in 10 handset sales within two months driven by social media promotions.