2050, holy shit. He doesn't think all that will happen in the next 30 years, but it could. It's still more likely they're from alternate universes.

"It's English," he raises an eyebrow. She had to know what language she was speaking, didn't she? Now he's questioning it himself. "All the computer shit and the signs are in English."

He hadn't given much thought to it beyond that, but now he is. English words had been easier to find without thinking about it and he hadn't had any trouble understanding anyone, even words he hadn't heard before. What the fuck?