▁June ▁ 2 0 0 9 , ▁Sh ir ky ▁participated ▁in ▁a ▁T ED @ State ▁talk ▁titled ▁" How ▁cell ph ones , ▁Twitter ▁and ▁Facebook ▁can ▁make ▁history " ▁a ka ▁" How ▁social ▁media ▁can ▁make ▁history ." ▁In ▁the ▁talk , ▁he ▁explains ▁that ▁this ▁is ▁the ▁first ▁time ▁in ▁history ▁that ▁communication ▁is ▁possible ▁from ▁many ▁to ▁many . ▁In ▁the ▁past , ▁communication ▁to ▁a ▁large ▁group ▁ex cluded ▁the ▁possibility ▁of ▁having ▁a ▁conversation , ▁and ▁having ▁a ▁conversation ▁meant ▁not ▁interact ing ▁with ▁a ▁group ▁and ▁instead ▁was ▁necessarily ▁a ▁one - to - one ▁structure . ▁Sh ir ky ▁labels ▁this ▁incon gru ous ▁exchange ▁as ▁asym metric . ▁In ▁Sh ir ky ' s ▁view , ▁this ▁feature ▁is ▁one ▁of ▁the ▁main ▁reasons ▁that ▁the ▁internet ▁revolution ▁is ▁different ▁from ▁communication ▁revolution s ▁that ▁preced ed ▁it . ▁ ▁The ▁second ▁difference ▁between ▁the ▁tw enti eth ▁and ▁twenty - first ▁century ▁communication ▁revolution , ▁Sh ir ky ▁states , ▁is ▁now ▁all ▁media ▁is ▁digit ized . ▁This ▁means ▁that ▁the ▁Internet ▁now ▁enc aps ul ates ▁all ▁forms ▁of ▁media ▁from ▁the ▁past ▁and ▁the ▁medium ▁itself ▁has ▁become ▁the ▁site ▁of ▁exchange , ▁not ▁just ▁a ▁means ▁of ▁exchange . ▁ ▁Finally , ▁the ▁Internet ▁allows ▁people ▁to ▁create ▁content , ▁thus ▁the ▁line ▁between ▁produ cers ▁and ▁consum ers ▁has ▁become ▁bl ur red . ▁As ▁Sh ir ky ▁puts ▁it , ▁" Every ▁time ▁a ▁new