2012_The_New Multi-screen_World 2012_The_New Multi-screen_World | 页面 17

There  are  two  modes  of  mul*-­?screening     Moving  from  one  device  to   another  at  di?erent  ?mes  to   accomplish  a  task     Sequen*al  Usage   Using  more  than  one  device  at  the  same  ?me     for  either  a  related  or  an  unrelated  ac?vity     Simultaneous  Usage   Mul?-­?tasking  -­?  Unrelated  ac?vity     17   Complementary  Usage  -­?  Related  ac?vity