Valerie Jennings, CEO and president of Jennings Public Relations and Advertising, reveals effective tips and tactics about social Valerie Jennings, CEO and president of Jennings Public Relations and Advertising, reveals effective tips and tactics about social media. Read Prizm's social media press release: http://www.prizmproductions.com/Press_Releases/PrizmPR_040507/prizm_press_email.html