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 MartinWhat you have when everyone wears the same playclothes for all occasions, is addressed by nickname, expected to participate in Show And Tell, and bullied out of any desire form privacy, is not democracy; it is kindergarten.
Judith Martin