We hear all too often of smart home products that turn into paperweights with little or no warning, and now the FTC wading into the hot-button issue. In a newly released paper, staffers at the Federal Trade Commision said they picked 184 different smart products and looked for disclosures on how long their manufactures would offer software updates for the devices. The results were unsurprising, with the FTC researchers saying they couldn’t find details about the “support duration or e...