The study of heuristics in human decision-making was developed in the 1970s and 80s by Israeli psychologists Amos Tversky and Daniel Kahneman, although the concept was originally introduced by Nobel laureate Herbert A. Simon.
Christina Aguilera is an American singer-songwriter, record producer and actress who has an estimated net worth of $100 million and an annual salary of $130 million.She is sometimes called by the names Chrissy, X-Tina, Baby Jane, and Candy who is best known for her vocal power and provocative personal style.er breakthrough hit was the single Genie in a Bottle. Christina Aguilera had her follow-up studio albums Stripped (2002) and Back to Basics (2006). She then expressed that she wanted a much bigger control over her music so she intentionally fostered a. more adult image.
About Sheryl Sandberg. American businesswoman and the Chief Operating Officer of Facebook, Sheryl Sandberg, has an estimated net worth of $1.1 billion according to Forbes. In 2012, she became one of the wealthiest self-made women in the world after Facebook went public.She earned a base salary of $295,833 with an $86,133 bonus in 2011.According to the S-1 filing, Sandberg has 1,899,986 shares of Facebook common stock.After arriving from rival Google in 2008, she has done a lot to help the social network grow up, including addressing major public scrutiny over revised privacy terms in 2010.merican businesswoman and the Chief Operating Officer of Facebook, Sheryl Sandberg, has an estimated net worth of $1.1 billion according to Forbes. In 2012, she became one of the wealthiest self-made women in the world after Facebook went public. She earned a base salary of $295,833 with an $86,133 bonus in 2011.