Why do I not let my kids have access to the internet in their bedrooms?
Have a look at some of these links and comment if you like.
School busted monitoring students –http://www.techdirt.com/articles/20100416/1123249038.shtml
Software available for sale after a quick search –http://www.laptopspyware.com/
Another invasion of privacy from schools –http://www.couriermail.com.au/news/queensland/screen-spy-keeps-watch-on-students/story-e6freoof-1226358220320
Hints from Macworld on how to use a laptop to spy on others – http://hints.macworld.com/article.php?story=20060413111752661
A security hole that allows websites to capture images from visitors webcams – http://www.feross.org/webcam-spy/
This is only scratching the surface without going to the darker corners of the internet.