in ars , ▁or ▁complete ▁course ▁work ▁for ▁an ▁online ▁class . ▁Online ▁discussion ▁groups ▁and ▁social ▁networks ▁such ▁as ▁Mys pace ▁and ▁Facebook ▁are ▁already ▁being ▁used ▁to ▁supp lement ▁interaction ▁within ▁course work ▁( B aker ▁ 2 0 0 9 ). ▁ ▁Spark le ▁is ▁po ised ▁to ▁become ▁the ▁first ▁virtual ▁world ▁for ▁the ▁iPhone . ▁What ' s ▁more , ▁it ' s ▁being ▁developed ▁completely ▁from ▁scratch , ▁exclus ively ▁as ▁an ▁M MO ▁for ▁the ▁iPhone / i Pod ▁Touch . ▁This ▁will ▁bring ▁more ▁mob ility ▁to ▁the ▁lear ner . ▁They ▁will ▁no ▁longer ▁need ▁to ▁be ▁at ▁a ▁desktop . ▁ ▁Second ▁Life ▁is ▁a ▁virtual ▁world ▁where ▁users ▁create ▁av at ars . ▁An ▁av atar ▁is ▁a ▁virtual ▁representation ▁of ▁the ▁user ▁to ▁other ▁users . ▁These ▁av at ars ▁then ▁interact ▁with ▁any ▁other ▁user ▁within ▁the ▁Second ▁Life ▁world . ▁Av at ars ▁can ▁purchase ▁virtual ▁land , ▁own ▁buildings , ▁and ▁travel , ▁interact , ▁conduct ▁business , ▁and ▁even ▁attend ▁lect ures ▁by ▁profess ors . ▁Second ▁Life ▁is ▁running ▁ 2 4 ▁hours ▁a ▁day ▁and ▁is ▁tied ▁into ▁the ▁Internet , ▁so ▁there ▁are ▁always ▁other ▁av at ars ▁to ▁interact ▁with . ▁ ▁MM OR PG s ▁such ▁as ▁World ▁of ▁War craft ▁and ▁Star ▁Wars ▁Gal ax ies ▁are ▁video ▁game ▁based ▁virtual ▁environments . ▁These ▁game ▁engines ▁hold ▁the ▁potential ▁for ▁instruction al ▁simulation . ▁Un like ▁Second ▁Life , ▁these ▁are