PubNub utilizes a Publish/Subscribe model for real-time data streaming and device signaling which allows for establishing and maintaining a persistent socket connection to any device and push data to global audiences. PubNub also supports several other Ruby SDK's including: Demo Console, Translator, PubNub LiveStream, Sinatra Demo, and Sub & Pub.
RetailNext, in-store analytics market leader, announced a set of enterprise APIs that retailers, shopping centers, business partners, and others can integrate with existing hardware systems to utilize RetailNext's analytics capabilities. RetailNext delivers analytics usually limited to ecommerce outfits to brick and mortar stores for better insights. The API is hardware agnostic; so, users can leverage existing infrastructure.