Expand Your Skills Critique the Professionals Celebrities can learn from successful businesses when it com to managing their careers, but businesses can learn from suc cessful celebrities, too-particularly when it comes to buildin communities online using social media. For instance, social media guru Dan Schawbel cites Vin Diesel, Ashton Kutcher Lady Gaga, Lenny Kravitz, and Michael Phelps as celebrities who have used Facebook to build their personal brands.78 Locate three celebrities (musicians, actors, authors, or athletes) who have sizable fan bases on Facebook and analyze how they the social network. Using whatever medium your instructor re- quests, write a brief analysis (no more than one page) of the les- sons, positive or negative, that a business could learn from these celebrities. Be sure to cite specific elements from the Faceboo pages you've chosen, and if you think any of the celebrities have made mistakes in their use of Facebook, describe those as well.