Harry Potter and the Chamber of Secrets that time) the seventh highest-grossing film ever and received generally favourable reviews. Video games loosely based on "Harry Potter and the Chamber of Secrets" were also released for several platforms, and most obtained favourable reviews. On Harry Potter's twelfth birthday, the Dursley family—Harry's uncle Vernon, aunt Petunia, and cousin Dudley—hold a dinner party for a potential client of Vernon's drill-manufacturing company. Harry is not invited, but is content to spend the evening quietly in his bedroom, although he is confused why his school friends have not sent cards or presents. However, when he goes to his room, a house-elf named
Harry Potter and the Methods of Rationality of "HPMOR" spontaneously burped itself into existence inside my mind, so it came out as a Harry Potter story. ... there's a large number of potential readers who would enter at least moderately familiar with the Harry Potter universe." He states that his work on rationality "informs every shade of how the characters think, both those who are allegedly rational and otherwise". He also used it to assist the launch of the Center for Applied Rationality, which teaches courses based on his work. Unlike J. K. Rowling's original books, in which the orphaned Harry Potter is raised by the abusive