Should Web Site Owners and Social Media Be Held Accountable?

Earlier this week I posted about an incident of Internet crime where a young man allegedly stalked minors on facebook with fake identities and sockpuppet accounts.

Tonight I read this article:

A substitute teacher at a Georgia high school has been fired after he allegedly took photos of a female student in class and posted them to the Internet, authorities said. He is now being investigated by the local Sheriff's office, Fox Atlanta reports.
 
The teacher, whose identity has not been releas...