Steve Caplin kicks off the year by reminding us it is 40 years since the first mobile phone call: but do you remember the celebrity who made it? Motorised skis will get you up a mountain. Apple's AirTags could help you locate missing luggage. A Chinese spherical security robot put Steve in mind of The Prisoner. Chat robots add video but don't impress. You can play Xbox games on an Amazon Fire Stick. There's an electronic belt. And there's a roundup of some of the weirdest patent applications in 2024.