Hello Elvis, Fireflytech's case is called " Short Memory Loss" , the shortest ever in fact:)) Check that http://human-factors.arc.nasa.gov/cognition/tutorials/ModelOf/Knowmore1.html For a comparative view with human memory check Memory also as a technological term http://www.techterms.com/definition/memory

I know the answer.... oh sorry I forgot. 我知道。。。对不起我忘了。

that's an interstin question!! but i'don't have an answer !! lol