Abstract: Embodiments of the disclosure provide a method, apparatus, system and computer program product for human gesture-based customer referral score determination. In an embodiment of the disclosure, the method includes detecting a customer through a camera installed at a location of the business and prompting the customer in a display at the location of the business to provide a gesture indicating whether the customer had a good experience and thereby likely to be willing to refer the business to others. The method further includes identifying the gesture through the camera using computer vision algorithms and responsive to identifying the gesture, automatically determining a customer referral score for the customer.

Abstract: A wholly self-contained pond heater for use in preventing ice from forming on a pasture pond, comprising a heater assembly secured in a casing which is partially submersible in the pond. The heater assembly has a fire box from which intake and exhaust stacks extend upwardly. The stacks terminate in tips which face one another. The casing has louvers for the movement of air into and out of the casing, and an LPG fuel supply provided on the casing and connected to the heater assembly.