A recent study found that countries with opt-out or "presumed consent" policies don't just have more people who sign up to be donors, they also have consistently higher numbers of transplants.
Although it debuted at last year's London Film Festival, the trailer was only released this week. The full film is likely to be released in cinemas in October or November.
This account posts fragments of real postcard messages accompanied by the card itself. I've been to the Cumberland Pencil Museum, alone.