Is smart tech the new domestic battle ground?

I came into the kitchen recently to find my husband cradling our electricity smart meter with the kind of tender attention more usually directed to a new-born, his phone clutched in his free hand. "You didn't turn your office heater off last night," he said. I went in this morning to turn it on again!" "Last night we used 10…" (here he added a unit, presumably of electricity, but all that stuff is Martian to me. "It shouldn't be that high." "But I turned it off!" But our smart home had spoken and it is far more reliable than me, his life partner of 26 years. Our house now has app-enabled devices to control the heating and the boiler remotely, to check temperature, CO2 and noise levels and to see who is at the door. There are motion-detector cameras in the garden that send us videos of foxes threatening my hens, or his tortoises escaping. Since we installed a few solar panels, my husband's smart-home management has become more urgent and more granular. An app tells him how much we are consuming, but also how much we are producing, in real time. Now he bursts in when it's sunny, shouting "We're giving electricity to the grid!