The first thing my son did when his new baby was born in August was to pair him with his phone, making him possibly one of the UK’s first Bluetooth babies. OK, he didn’t quite pair the baby. He paired with Owlet, a tiny washable sock that monitors an infant’s heart rate and blood oxygen using pulse oximetry tech. The idea is that parents will get an immediate phone alert should anything be amiss. Owlet is not an easy gadget to test, and I’m glad to say our test baby didn’t do anything to alert it, but the parents reported feeling much more relaxed with an Owlet-equipped infant snoozing in his crib. Owlet has been watching over babies in the US for a little longer than the rest of the world, and early UK buyers found the app lacked some features. But I am assured the UK app is now almost identical to the US version.