Companies aren’t friends, they’re guests in social media. There are certain courtesies to be observed. Some are pretty obvious, like not blasting out updates every day. But others are more subtle. For example, today is the eighth anniversary of 9/11. I don’t know about you, but my Facebook news feed contained a number of somber remembrance messages. So it probably wasn’t the day for a marketer to put out an upbeat update on a new promotion. Just sayin’….