We compare the hardware, software and privacy problems that defined the past year for these companies. David Priest, Molly Price December 14, 2019 5:00 AM PST 2019 wasn’t a revolutionary year for smart home tech, but both Google and Amazon have worked hard to round out their product lines, hone their software and clear the mess left by toddler-age devices. Amazon- and Google-powered smart homes have brought the category into its adolescence, and we’re shedding a ceremonial tear at their loss of innocence. Soon Google Assistant and Alexa will be driving your car and stealing your credit card. So which kid will be the burnout and which will go Ivy League and never call you again once they’re financially solvent? Who’s to say? But 2019 might be a good indicator. 44 Photos CNET’s best tech products of 2019 Here are Molly Price and David Priest, who cover Google and Amazon, on which company won 2019.HardwareDavid Priest: I think Amazon pretty handily won 2019 when it comes to hardware. The online megaretailer rounded out its lineup of smart speakers and displays, giving customers small, medium and large options for both categories. And while some of the new devices feel like minor iterations…