Most Helpful Guy
It depends whether they like them or not. If you have no interest in the person then you wouldn't comment. If you cared for the person then you would do more than post on a facebook wall.
Online messages have little sentimental value, and anyone with a brain would talk to the person they liked in real life.0THIS IS NOT RELEVANT ANYMORE
Most Helpful Girl
They could be using other forms of social media to communicate.0THIS IS NOT RELEVANT ANYMORE