Leslie Berland

X Corp. is a global platform for public self-expression and conversation in real time. It provides a network that connects users to people, information, ideas, opinions and news. The company's services include live commentary, live connections and live conversations. Its application provides social networking services and micro-blogging services through mobile devices and the Internet. The company can also be used as a marketing tool for businesses. Its products and services include Promoted Tweets, Promoted Accounts and Promoted Trends. Twitter was founded by Jack Dorsey, Christopher Isaac Stone, Noah E. Glass, Jeremy LaTrasse and Evan Williams on March 21, 2006, and is headquartered in San Francisco, CA.

The Advertising Council, Inc. promotes public service campaigns. It carries out pro bono ad campaigns on behalf of both government and private organizations. The company campaigns on children's issues, health, community, environment and family matters. The council relies on volunteer efforts from advertising firms. The Advertising Council was founded in 1942 and is headquartered in New York, NY.

Make-A-Wish Foundation of America operates as a charitable organization. It serves child diagnosed with a life-threatening medical condition. The company was founded by Allan Schmidt, Kathy McMorris, and Tommy Austin in 1980 and is headquartered in Phoenix, AZ.