0 ▁percent ▁of ▁his ▁or ▁her ▁job ▁time . ▁Dave ▁spent ▁his ▁ 1 0 ▁percent ▁time , ▁plus ▁a ▁lot ▁of ▁even ings ▁and ▁week ends , ▁on ▁Arena . ▁He ▁was ▁convinced ▁that ▁hyper text ▁Web ▁pages ▁could ▁be ▁much ▁more ▁exc iting , ▁like ▁magazine ▁pages ▁rather ▁than ▁text book ▁pages , ▁and ▁that ▁HTML ▁could ▁be ▁used ▁to ▁position ▁not ▁just ▁text ▁on ▁a ▁page ▁but ▁pictures , ▁tables , ▁and ▁other ▁features . ▁He ▁used ▁Arena ▁to ▁demonstrate ▁all ▁these ▁things , ▁and ▁to ▁experiment ▁with ▁different ▁ways ▁of ▁reading ▁and ▁interpre ting ▁both ▁valid ▁and ▁incorrectly ▁written ▁HTML ▁pages . ▁ ▁R ag get t ▁demonstrated ▁the ▁browser ▁at ▁the ▁First ▁International ▁Conference ▁on ▁the ▁World - W ide ▁Web ▁in ▁Gene va , ▁Switzerland ▁in ▁ 1 9 9 4 ▁and ▁the ▁ 1 9 9 4 ▁ISO C ▁conference ▁in ▁Prag ue ▁to ▁show ▁text ▁flow ▁around ▁images , ▁forms , ▁and ▁other ▁aspects ▁of ▁HTML ▁later ▁term ed ▁as ▁the ▁HTML + ▁specification . ▁R ag get t ▁subsequently ▁partner ed ▁with ▁C ER N ▁to ▁develop ▁Arena ▁further ▁as ▁a ▁proof ▁of ▁concept ▁browser ▁for ▁this ▁work . ▁Using ▁the ▁Arena ▁browser , ▁R ag get t , ▁Hen rik ▁F ry st yk ▁N iel sen , ▁H å kon ▁W ium ▁Lie , ▁and ▁others ▁demonstrated ▁text ▁flow ▁around ▁a ▁figure ▁with ▁ca ptions , ▁res izable ▁tables , ▁image ▁background s , ▁HTML ▁math , ▁and ▁other ▁features . ▁