The original Teletubbies ran on the BBC from 1997 to 2001 and spawned a number one single, called Teletubbies say 'Eh-oh!', in December 1997. Speaking in 2008, Shelton said he had little inkling ...

The case studies are presented in age order, starting with interface characters intended for infants and toddlers and ending with interfaces intended for children as old as seven or eight years of age ...