Since his first waking, he’d found twenty-second-century technology easy to work. User interfaces seemed to have settled down to common standards some time before he’d been frozen. Even the language had stabilised, more or less, if not the accents; English was spoken across several worlds now and had to stay comprehensible to everybody, and there was a huge mass of recorded culture, all of which tended to keep the language static. The vehicles and vocabularies of the year 2166 were easy. It was the people he couldn’t figure out.