Ключевые слова: app, application, back view, balloon, bubble, button, cell phone, chat, chat box, chatting, communicate, communication, courier, dialog, discussion, display, female, hand, holding, icon, information, internet, mail, media, message, messaging, messenger, messenger pigeon, mobile, mock up, network, online, phone, screen, send, site, smart, sms, social, student, talk, technology, texting, website, woman,