Facebook has replaced Evite, but it really doesn't do calendaring in any meaningful way. JWZ seems to be talking about software that make serendipitous real-lif

Facebook has replaced Evite, but it really doesn't do calendaring in any meaningful way. JWZ seems to be talking about software that make serendipitous real-life interaction easier and better; Facebook seems to mostly have the effect of isolating people all day, replacing parties and Monopoly for wall posts and Cityville. There's still a lot of room to improve.