To highlight a web page, simply tap and drag the handle to select a block of text, and click "Highlight". All your highlights will be automatically saved to your diigo account i.e., stored in the cloud, so you can access them anywhere, anytime.
The goal of this collaborative wiki is to "unmask the digital truth" with respect to the reasons some leaders today are overfiltering and overblocking web 2.0 sites in schools and libraries, and provide reasonable alternatives which support broader student and teacher access to these sites.