Facebook Messenger, WhatsApp, Tawk.to, Skype, Call Me Back, Viber, Twilio, Intercom, Zendesk help desk chat, Telegram, Crisp, VK chat, Slack, Email, Smartsupp, LiveChat Pro, Live helper, Zalo, Tidio, LiveZilla, contact page, email
Today messaging apps have over 2 billion monthly active users...