Due to some people asking about pdf apps.% e0 N+ Q4 K5 ?$ w2 P( \0 a5 k$ o
I use android apps " repligo reader "which has the highlight feature on playbook,but playbook has bugs 2 h! s. S1 }4 o) n& k o
...2 F% f+ b3 n" Z2 R- _) Z" h) A% q/ ]
also I use goodreader for ipad...