Asking around, I discovered that the phenomenon is widespread. 제 친구 중 한 명은 베이비샤워 초대장을 이메일로 보냈는데 수신자 중 3분의 1이 답장을 보내지 않았어요. Another announced a happy hour at her house and received a dozen yeses only to find her party besieged by people.