Due to some people asking about pdf apps. 1 e( U! D4 {) O! n7 ]3 R$ I5 _4 s I use android apps " repligo reader "which has the highlight feature on playbook,but playbook has bugs 9 Y. g% x u6 S! S9 E) R+ _4 l...3 m0 @% d5 v/ A5 O% k5 c- I
also I use goodreader for ipad...