Tech is the present most of us dread buying: get it wrong and it's in a drawer by Boxing Day, get it right and you're the one who understood what they wanted before they did. The trick is to stop reading spec sheets and start picturing the life your gift will slip into – the floors nobody wants to hoover, the records waiting to be played, the aching shoulders that could do with a proper massage. Here are the gadgets we'd actually give this year, and a few we wouldn’t mind receiving ourselves…