Fist you must join #edtech20 PLN and use hastag #edtech20
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Dear friends if you know other edtools and applications please add here like comments . Thank you in addvance .
Diigo is an effective tool for teaching as well. Diigo's features allow teachers to highlight critical features within text and images and write comments directly on the web pages, to collect and organize series of web pages and web sites into coherent and thematic sets, and to facilitate online conversations within the context of the materials themselves. Diigo also allows teachers to collaborate and share resources among themselves.
Diigo is much more than a simple web annotation or social bookmarking service -- it is a new kind of online research and collaborative research tool that integrates tags and folders, highlighting and clipping, sticky notes, and group-based collaboration, enabling a whole new process of online knowledge management, learning, and teaching in the information age.Diigo group #edtech20