Just remember that they're all sideways faces. Take this link to see typical examples. These are the rules I'd like to see us all adopt when posting on Chatter. Tell me if you don't think they are reasonable. It's ironic, really.
Computer networks bring people together who'd otherwise never meet.
Most of them would never act that way at work or at home. But the interposition of the machine seems to make it acceptable. The message of Netiquette is that it's not acceptable. Yes, use your network connections to express yourself freely, explore strange new worlds, and boldly go where you've never gone before. Those are real people out there.