I think the obligation is even less online unless you need social media because it is vital to your business. If you don't need it then better to error on the side of caution. The scary thing about the online world is that I am not sure we get all of the signals (body language, tone of voice, the person's eyes--the eyes can say so much about a person ) that we get with people IRL. I occassionally find myself feeling anxious about what I have posted and all the rest. If you feel reluctant--no, no, no.