http://bcvista.wikispaces.com/webtools
The above link was posted in DIIGO by Jennifer Dalby, instructor for EDUC251. It is a catalog of tools useful for online learning and teaching.
The link below is to an article about the needs of 21st century learners.
http://www.solution-tree.com/Public/Media.aspx?ShowDetail=true&ProductID=BKF389&gclid=CPbOnbfCv6YCFQUSbAodtBm-Gw