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Toilets that talk and other weird tech on display at CES 2019

LAS VEGAS — CES 2019 kicks off this week, which of course means that close to 200,000 tech heads are swarming into Sin City to ogle the latest crop of gadgets — and we’re not necessarily talking about stripper robots. Yes, the latter were on display at a nearby jiggle joint at last year’s CES, and they hogged an outsize portion of press. This year, the weirdness will include a notable dearth of Chinese exhibitors — a casualty of the trade tensions that are likely to persist well into 2019. The annual show attracts the biggest names in the business (Apple being a notable exception), and increasingly that means car manufacturers from GM to Volkswagen renting huge convention-hall spaces to show off self-driving tech. But CES ...