Google has ended its practice of scanning its users' Apps for Education accounts for advertising purposes after being sued by students and other Gmail users last year, the company announced Wednesday. There's more information on Google's enterprise blog at:

http://googleenterprise.blogspot.co.uk/2014/04/protecting-students-with-google-apps.html

More Google usage caveats on the ITS website at http://www.humboldt.edu/its/google-plus-caveat