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The Consumer Electronics Show is in full swing in Las Vegas, offering an audience (mostly comprised, it seems, of technology journalists) the chance to preview electronics that many consumers would never buy. Below, we present actual offerings and ones that we made up as jokes, and challenge you to tell them apart.

An Internet-connected coffee cup -or- a toilet that doubles as a sink

WHICH IS THE REAL THING?

Right. Wrong. AdAge reports on Nescafe's innovation: "a smart portable coffee mug with, wait for it, WiFi, a USB connector, Bluetooth, an NFC chip, GPS and a sipping cover that displayed, among other things, the temperature of the beverage and New York Times headlines." To be fair, this doesn't exist yet, maybe because: who would buy that? Update: There exists a combination toilet-sink, as @brownpau pointed out on Twitter. However, since it is not at CES and since you do not actually wash your hands in the toilet bowl, we will not issue a correction.

An artificial mother -or- a flat-screen simulated teacher