WhatsApp is a cross-platform instant messaging application for smartphones that lets users send each other text messages, images, videos, and audio messages. WhatsApp said on Twitter that they processed 27 billion messages in a single day. Around 10 billion messages were sent and 17 billion was received.
WhatsApp said that two months ago that their record for messages in a day was at around 20 billion. WhatsApp processed around 18 billion New Year’s Eve messages. They also have around 200 million users.
WhatsApp generates revenue by charging $0.99 to buy the app.