WhatsApp processes record-high 27B messages in one day


WhatsApp processed 27 billion messages in one day, up significantly from its previous best of 18 billion on Dec. 31, 2012.

"New daily record: 10B+ msgs sent (inbound) and 17B+ msgs received (outbound) by our users = 27 Billion msgs handled in just 24 hours!" the firm tweeted Wednesday. WhatsApp previously explained that its inbound and outbound message numbers do not match because of group chat traffic, stating "sending one msg into group chat of 10 people is 1:10 inbound:outbound."

The WhatsApp Messenger over-the-top application enables users to share text messages, voice notes and photos with contacts across the globe, without international messaging fees. WhatsApp has chosen to avoid advertising support, billing Android, BlackBerry (NASDAQ:BBRY) and Windows Phone users $0.99 per year after a one-year free trial period. The firm has traditionally offered its Apple (NASDAQ:AAPL) iPhone app for a one-time download fee of $0.99, but WhatsApp CEO Jan Koum recently said that WhatsApp will shift its iOS business to the recurring subscription model later this year, adding the pricing change will apply solely to new iOS users.

This spring, WhatsApp introduced its first-ever dedicated instant messaging button via Nokia's (NYSE:NOK) new social-themed Asha 210 handset. Users can launch WhatsApp Messenger directly from contact cards in the device's phonebook, leveraging its QWERTY keyboard for more efficient typing. WhatsApp will offer free service on all Asha 210 phones incorporating the Messenger button throughout the lifespan of each device.

WhatsApp's continued growth poses major challenges for conventional carrier SMS services: Consumers across the globe will send 41 billion over-the-top mobile messages per day by the end of 2013, compared to an average of 19.5 billion peer-to-peer SMS, according to recent forecast issued by research firm Informa. OTT traffic has already eclipsed SMS in terms of daily messaging volume: Consumers sent an average of 19.1 billion OTT messages per day in 2012, compared to 17.6 billion messages via SMS.

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