Diigo - Web Highlighter and Sticky Notes, Online Bookmarking and Annotation, Personal Learning Network. | #LearningCommons | Scoop.it
Diigo is a powerful research tool and a knowledge-sharing community (RT @diigo: Diigo tip - #edtech Pls help RT thanks Pls use http://t.co/E4HJMPR9 for now http://t.co/NBYf2V4I...