A student should not do that. This will affect the teachers privacy and is a ditracting to the student's studies. For example, a student might spent hours browsing through the page for the teachers information for no apparent reason, just because he is curious about it. i agree the fact that the social media can make communications easier, but we should not get too far by interacting with our teachers online as our conversation can be seen by the public. we should keep all matters within the school not on the media.