Due to some people asking about pdf apps. 0 ~4 s8 M- E8 x8 G5 a* b$ Y I use android apps " repligo reader "which has the highlight feature on playbook,but playbook has bugs 0 `% c f( R' s3 ^* [: U I
... 4 n4 H0 [! G/ G+ t) \also I use goodreader for ipad...