Components of a 21st Century Classroom Infographic

Here's some food for thought:

Click link to see full view - http://www.opencolleges.edu.au/infographic/media/21st_century_classroom.jpg

As I looked over the stats, I was surprised by the integration of social networks and the 29% to 80% ratio between public teachers and college professors.  I'm not surprised by the use of social networks, but I'm surprised by the percentage difference.

Do you agree with these statistics?
What areas surprised you?