It's not normally his thing, but he's giving a talk in Washington DC next month and he'd like to sprinkle a bit of Heidegger into his arguments about the role of technology in developing countries. Chris generally leaves the office only after seven, but tonight, he’ll have to end things a bit earlier. His friends tease him for being on the serious side, even earnest some of them say. He doesn't mind. He can take a joke, it's just he doesn't think there's very much in this troubled, urgently imperilled world that merits outright humour.