Social media has fast become a huge platform for marketers and PRs to create brand awareness. Similar to traditional celebrity endorsements, social media is now a popular place for product placement. Check out the Mumbrella article about product placement in social media at http://mumbrella.com.au/power-cool-product-placement-social-media-250291. Read the Fujitsu case study Marketing through Celebrity Sponsorship that highlights the benefits of celebrity endorsement for a product or company.