PubNub has announced a $20 million Series C funding round led by Sapphire Ventures, with additional investments from Scale Venture Partners and Relay Ventures, to enhance its Data Stream Network, which facilitates real-time communication for web and mobile apps, as well as IoT devices. Since its inception in 2010, PubNub has been integral in various industries, including home automation, financial trading, and connected cars, reflecting the growing demand for real-time, synchronous applications across sectors. The company plans to use the new funding to accelerate global growth, expand sales and marketing efforts, and introduce improvements and new features to its network, maintaining a strong focus on engineering to continually advance its capabilities. With over half of its workforce composed of engineers, PubNub remains committed to empowering customers and the developer community by enabling innovative uses of its technology, which is underscored by the enthusiastic support and feedback from its users.