Funny how “subscription boxes” — the latest incarnation of what used to be called negative option subscription services, whereby you sign up to receive a monthly (typically) box of stuff (music, video, apparel, candy, what-have-you) unless you tell the sender otherwise in advance — are gaining popularity just as the owners of Columbia House, the granddaddy of negative option subscription operations which sent music or videos in the heyday of physical media, files for bankruptcy.