▁expos ing ▁one ' s ▁own ▁process ▁of ▁per ception , ▁since ▁" the ▁best ▁enjoy ment ▁of ▁V R ▁includes ▁not ▁really ▁being ▁convinced . ▁Like ▁when ▁you ▁go ▁to ▁a ▁magic ▁show ." ▁And ▁he ▁unders c ores ▁how ▁V R ▁inher ently ▁helps ▁the ▁user ▁focus ▁on ▁reality , ▁rather ▁than ▁the ▁virtual ▁world , ▁explaining ▁that ▁the ▁best ▁magic ▁of ▁V R ▁happens ▁in ▁the ▁moments ▁right ▁after ▁the ▁demo ▁ends ▁( his ▁lab ▁would ▁often ▁present ▁flowers ▁to ▁visitors ▁coming ▁out ▁of ▁the ▁head set , ▁as ▁the ▁visitor ▁would ▁experience ▁them ▁as ▁though ▁for ▁the ▁first ▁time ). ▁▁ ▁Lan ier ▁c ites ▁modern ▁V R ' s ▁rich ▁res ume ▁beyond ▁g aming ▁and ▁entertain ment : ▁it ▁has ▁been ▁used ▁to ▁treat ▁war ▁veter ans ▁over coming ▁P T SD ; ▁by ▁do ctors ▁to ▁perform ▁intr icate ▁sur ger ies ; ▁by ▁par ap leg ics ▁wanting ▁to ▁feel ▁the ▁sense ▁of ▁flight ; ▁and ▁as ▁a ▁mechanism ▁to ▁prototype ▁almost ▁every ▁vehicle ▁fabric ated ▁in ▁the ▁last ▁two ▁dec ades . ▁Through out ▁the ▁book ▁Lan ier ▁inter sp ers es ▁fifty - one ▁definitions ▁of ▁V R , ▁ill umin ating ▁its ▁many ▁uses , ▁g ifts , ▁and ▁pit falls . ▁ ▁Ten ▁Arg uments ▁for ▁De let ing ▁Your ▁Social ▁Media ▁Account s ▁Right ▁Now ▁( 2 0 1 8 ) ▁ ▁As ▁the ▁name ▁implies ▁Lan ier ▁is ▁concerned ▁about ▁the ▁influence ▁of ▁social ▁media ▁and ▁many ▁of ▁his