COM is still the only binary object-to-object cross language interface on Windows. Late-binding COM is still a good thing. What is somewhat dead is the idea of

COM is still the only binary object-to-object cross language interface on Windows. Late-binding COM is still a good thing. What is somewhat dead is the idea of building server-side enterprise middle-tier in COM (COM+). That died when the dastardly Pet Store Wars ended and distributed transactions lost their hype. What are you building?