If the world in the 20th Century was a battlefield of international wars related to life and death, then in the 21st Century it is a virtual battlefield for technological competition amongst the big powers.  Rapid technological development of mobile devices and big data transmission have brought digital content that impacts human minds and value sets. Learning methods, materials and delivery pace have been changing at an unprecedented speed, raising issues such as ‘What young people should and should not learn at their fingertips’ and “What should be taught at different stages of a child’s life”.  In the midst of technological development, these questions are still up for discussion.