You will have plenty of occasions for informal communication with nice and interesting people and it would be very silly of you to miss such an opportunity. (myrussianmatch.com)
We decided to dive into the world of informal communication in the office and see how thin that line actually is. (wrike.com)
However, do not ban informal communication from the classroom, because this relaxed discourse is critical for social bonding, cooperative learning, literature interpretation, and information processing. (edutopia.org)