Yahoo! Inc. (NASDAQ: YHOO) is an American multinational internet corporation headquartered in Sunnyvale, California, United States. The company is perhaps best known for its web portal, search engine (Yahoo! Search), Yahoo! Directory, Yahoo! Mail, Yahoo! News, Yahoo! Groups, Yahoo! Answers, advertising, online mapping, video sharing, fantasy sports and social media website and services. It is one of the largest websites in the United States.

Yahoo! Inc. was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 1, 1995. On January 13, 2009, Yahoo! appointed Carol Bartz, former executive chairman of Autodesk, as its new chief executive officer and a member of the board of directors. On September 6, 2011, Bartz was removed from her position at Yahoo! by chairman Roy Bostock and CFO Tim Morse was named as Interim CEO of the company. On January 4, 2012, Scott Thompson, former President of PayPal, was named the new chief executive officer. On May 13, 2012, Scott Thompson was replaced by Ross Levinsohn as the company's interim CEO.

Walter Bruce Willis (born March 19, 1955) is a German-born American actor, producer, and musician. His career began in television in the 1980s and has continued both in television and film since, including comedic, dramatic, and action roles. He is well known for the role of John McClane in the Die Hard series, which were mostly critical and uniformly financial successes. He has also appeared in over sixty films, including box office successes like Pulp Fiction (1994), 12 Monkeys (1995), The Fifth Element (1997), Armageddon (1998), The Sixth Sense (1999), Unbreakable (2000), Sin City (2005), Over the Hedge (2006) and Red (2010).

Motion pictures featuring Willis have grossed US$2.64 billion to 3.05 billion at North American box offices, making him the ninth highest-grossing actor in a leading role and twelfth highest including supporting roles. He is a two-time Emmy Award–winning, Golden Globe Award–winning and four-time Saturn Award–nominated actor. Willis was married to actress Demi Moore and they had three daughters before their divorce in 2000, following thirteen years of marriage. He is currently married to model Emma Heming, with whom he has one daughter.

Amy Jade Winehouse (14 September 1983 – 23 July 2011) was an English singer and songwriter known for her powerful deep contralto vocals and her eclectic mix of musical genres including R&B, soul and jazz. Winehouse's 2003 debut album, Frank, was critically successful in the UK and was nominated for the Mercury Prize. Her 2006 follow-up album, Back to Black, led to six Grammy Award nominations and five wins, tying the then record for the most wins by a female artist in a single night, and made Winehouse the first British female to win five Grammys, including three of the "Big Four": Best New Artist, Record of the Year and Song of the Year.

In 2007 she won a Brit Award for Best British Female Artist; she had also been nominated for Best British Album. She won the Ivor Novello Award three times: once in 2004 for Best Contemporary Song (musically and lyrically) for "Stronger Than Me", once in 2007 for Best Contemporary Song for "Rehab", and once in 2008 for Best Song Musically and Lyrically for "Love Is a Losing Game".

Marissa Ann Mayer (born on May 30, 1975) is Vice President of Location and Local Services at Google. She has become one of the public faces of Google, providing a number of press interviews and appearing at events frequently to speak on behalf of the company.

After graduating from Wausau West High School in 1993, Mayer was one of two delegates from Wisconsin selected by the Governor of that state to attend the National Youth Science Camp in West Virginia.

Mayer received her B.S. in symbolic systems, graduating with honors, and M.S. in Computer Science from Stanford University. For both degrees, she specialized in artificial intelligence. In 2009, the Illinois Institute of Technology granted Mayer an honoris causa doctorate degree honoring her pathfinding work in the field of search.

Mayer was the first female engineer hired at Google and one of their first 20 employees, joining the company in June 1999. Prior to joining Google, Mayer worked at the UBS research lab (Ubilab) in Zurich, Switzerland, and at SRI International in Menlo Park, California.

Warren Edward Buffett (/ˈbʌfɨt/; born August 30, 1930) is an American business magnate, investor, and philanthropist. He is widely considered the most successful investor of the 20th century. He is the primary shareholder, chairman and CEO of Berkshire Hathaway. He is consistently ranked among the world's wealthiest people. He was ranked as the world's wealthiest person in 2008 and is the third wealthiest person in the world as of 2011. In 2012, American magazine Time named Buffett one of the most influential people in the world.

Buffett is called the "Wizard of Omaha", "Oracle of Omaha", or the "Sage of Omaha" and is noted for his adherence to the value investing philosophy and for his personal frugality despite his immense wealth. Buffett is also a notable philanthropist, having pledged to give away 99 percent of his fortune to philanthropic causes, primarily via the Gates Foundation. On April 11, 2012, he was diagnosed with prostate cancer.

Buffett was born in 1930 in Omaha, Nebraska, the second of three children and only son of U.S. Representative Howard Buffett, a fierce critic of the interventionist New Deal domestic and foreign policy, and his wife Leila (née Stahl). Buffett began his education at Rose Hill Elementary School in Omaha. In 1942, his father was elected to the first of four terms in the United States Congress, and after moving with his family to Washington, D.C., Warren finished elementary school, attended Alice Deal Junior High School, and graduated from Woodrow Wilson High School in 1947, where his senior yearbook picture reads: "likes math; a future stock broker."