Ключевые слова: ad, advert, advertisement, alert, announcement, attachment, bill, blow, brainstorming, brush, bulletin, caress, chat, chatting, commercial, communication, connect, conversation, correspondence, coupling, cue, discussion, display, dissemination, electronic message, email, flare, gesticulation, gesture, gossip, hookup, indication, interaction, letters, mail, meeting, messages, networking, notice, notification, poster, presentation, sign, speech, tactility, talk, touch, wave,