PubNub is a global Data Stream Network (DSN) and realtime network-as-a-service company based in San Francisco, California.

PubNub's primary product is a realtime publish/subscribe messaging API built on a global data stream network which consists of a replicated network multiple points of presence (data centers) located in North America, South America, Europe, and Asia. The network currently serves 100's of millions of devices and streams more than 1.4 trillion messages per month.

You can build apps that communicate in realtime using PubNub - Chat Apps, Taxi Hailing (Ride Sharing), Help Desk, Phone Garage Door Opener (Smart Home or Home Automation), Multiplayer Games, and many more use cases.

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