Due to some people asking about pdf apps. " `" S+ _9 `& ^0 v' b I use android apps " repligo reader "which has the highlight feature on playbook,but playbook has bugs 5 M2 b: z9 I0 }" y% @) @
... " c4 {7 e& G% P6 `1 N1 V& Palso I use goodreader for ipad...