3. Liu Fei was also a half-brother of the Emperor Wu of Han who ruled from 141BC to 97BC.
6. The first selfie stick was invented long before the first handheld mobile device was made. A selfie stick was definitely invented by the Japanese man Hiroshi Ueda in the 1980s. A photographer and worker at the Minolta camera company, Hiroshi made the selfie stick because he and his wife were unable to take pictures of themselves during a trip to Europe. (When he asked a boy to take pictures of them, the boy ran off with the camera.)