Diigo has shown me how internet collaboration can be streamlined to be more effective than ever before. With Diigo, I now know how to annotate texts thoroughly and build upon other people's annotations. Also, Diigo has shown me how to share a resource with others that isn't out of the blue; the tags and descriptions show why that text is important, which is vital for effective collaboration. In my classroom, I can see my students using Diigo as part of a group project with one group working together to annotate something and then me, as the teacher, going in and evaluating whether they got the main point and most important details from their work. With my team members, I can easily use Diigo to share resources that I think are relevant, and vice versa, so that we can build upon each other's resources to be the most effective teacher we can be. Finally, In my individual professional efforts, I can use Diigo for professional development by tagging what sources go with whic...