On January 26, 2010, the film Avatar officially topped Titanic as the top-grossing film of all-time at the box office. However, the following day, Forbes.com published an article entitled Is Avatar Really King of the Box Office? The article explains how using calculations such as the Consumer Price Index (CPI), one can show how the film Gone With the Wind has grossed more when the value of the box office receipts are adjusted for inflation.