Last fall, Amazon began branching out from its core Echo speaker experience to start testing other waters for Alexa. in an effort to build a digital army of devices to invade the home. This year, though, marked an "Echosplosion." To say that Amazon wants Alexa everywhere seems like an understatement, as the company is pursuing unique categories -- or at least those that have seen little advancement -- to complement the agent. Amazon's new smart products can be thought of in four major (mostly exclusive) concentric rings of expanding influence. If Amazon were Apple or Microsoft's Surface group, 90 percent of the attention of its product launch would be focused on the core Echo lineup that is Alexa's engine.