Free Technology for Teachers: Try Crocodoc for Collaboratively Annotating PDFs | E-apprentissage | Scoop.it

Crocodoc is a simple service that allows users to quickly share and edit PDFs, Word documents, and PowerPoint files.To use Crocodoc just upload your file, select your marking tool, and get to work. Crocodoc provides a unique url for every file you upload. Share that url with the people you want to have comment on your PDF, Word file, or PowerPoint slides.