Are you searching for a way to share documents, presentations, slideshows, or a series of photos or images with your students?
Then Voice Thread is the free Web 2.0 tool for you and your students (teachers can register for a free education account).
"Integration of technology is an integral part of project based learning, because technology is an integral part of life outside the classroom as revealed in this part of the definition - "types of learning and work people do in the everyday world outside the classroom.""