And rarely does it have anything to do with you. That stiff grump in the corner who spurns your friendly repartee probably has his own worries, be they personal or professional. Don't turn every interaction into a barometer of your own self-worth. RoAne includes a section on behaving correctly online. Curt e-mails are never a good idea.
Copious ones are worse.
Sprinkle those old courtesy standbys, please and thank you, with a lavish hand. She urges people not to forward jokes and warnings to others. Your boss won't like company time being spent so unproductively and frankly, people will perceive you as underemployed. This is not neuroscience. It's mostly common sense.