I (as a non-green account but not a very old one) sometimes feel it's difficult to express my opinion on this website about Facebook, Uber, Amazon and AirBnB. M

I (as a non-green account but not a very old one) sometimes feel it's difficult to express my opinion on this website about Facebook, Uber, Amazon and AirBnB. My comments typically go negative for a bit without comments, then maybe there is a bit of conversation.