https://www.vice.com/en_us/article/d3ag37/us-cities-are-helping-people-buy-amazon-surveillance-cameras-using-taxpayer-money > The Ring doorbell surveillance camera sits squarely in the center of a Tiffany-blue online flyer, which provides details about a “Security Product Subsidy Event” in Arcadia, California. > “Big Sale,” the advertisement says, in citrus-colored script. "$100 off."