This video clearly explains how to evaluate and give feedback about online collaborative group work.

"This video is a brief introduction to synchronous online learning. The following items are discussed: advantages, disadvantages, facilitation strategies, and tools that enhance student learning."

Tutorial Padlet for YouTube video

Award-winning blog! Very informative about instructional technology especially for K-12 teachers.

This is the site for Steve's "The Future of Education."

Steve Hargadon shares a lot of information relating to technology and education on his blog. He also hosts interview series of discussion communities named "The Future of Education."