A city has public places where I can do all kinds of things, and also a private house with a private room which may be by myself. In that house there are spaces where I do things with family, friends, colleagues. The web must like a well-designed building, provide a gradient of intimacy between the private and the public, so I can easily recognize the difference, easily know which I am in, and easily welcome people to come into the more intimate areas. Our Solid tools should respect these ide...