Good reflections here from Stephen Altrogge. He writes:
Before I hit “post” I need to ask myself: does this serve to build others up? Or are my words tearing and ripping and shredding a person? If I said these words directly to a person would they be built up or torn down? Would their affection for Christ be increased or decreased? God intends all of our words and posts and tweets to have a building up effect.Read the rest.