Educational media and tools can be used for:
task structuring support: help with how to do a task,
access to knowledge bases (help user find information needed)
alternate forms of knowledge representation (multiple representations of knowledge, e.g. video, audio, text, image, data)
Numerous types of physical technology are currently used:[65][66] digital cameras, video cameras, interactive whiteboard tools, document cameras, electronic media, and LCD projectors. Combinations of these techniques include blogs, collaborative software, ePortfolios, and virtual classrooms.