Messenger Video Calls - Facebook Messenger, now with HD video calls
Coinbase - Bitcoin, safe and easy.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Binance - Cryptocurrencies exchange platform
CallKite - Your website’s video call center in just one click.
Poloniex - US-based cryptocurrency exchange with maximum security