Source-based alert when streaming media of live event on computer network is of current interest and related feedback

A real time streaming video capture, delivery, and alert system may capture a streaming video of a live event and deliver it into a computer network as the live event is being captured. The system may include a camera, a network interface, a source operator interface configured to receive alerts, and a processing system. The system may issue an alert when the live event is currently of interest.A streaming video search engine may allow prospective viewers to locate at least one streaming video that is currently of interest from among several streaming videos. The engine may include a network interface configured to receive source alerts from real time streaming video capture, delivery, and alert systems, a memory system, a processing system, a searching system, and a viewer interface.