One of the big no-nos in cyberspace is that you do not go into a social activity, a chat group or something like that, and start advertising or selling things. This etiquette rule is an attempt to separate one's social life, which should be pure enjoyment and relaxation, from the pressures of work.
Judith MartinA wedding invitation is sent by people who have been saying, "Do we have to ask them?" to people whose first response is, "How much do you think we have to spend on them?
Judith MartinThe simple idea that everyone needs a reasonable amount of challenging work in his or her life, and also a personal life, complete with noncompetitive leisure, has never really taken hold.
Judith Martin