Diigo has been wonderful for me. Apart from bookmarking it allows you to highlight text on pages (and online pdf's!) in 4 different colors and shows them to you again when you revisit. http://diigo.com
Diigo has been wonderful for me. Apart from bookmarking it allows you to highlight text on pages (and online pdf's!) in 4 different colors and shows them to you again when you revisit. http://diigo.com