Regarding nextdoor, I've been amazed to see the level to which city/local government is using it, at least in my city. Perhaps the most effective civic engageme

Regarding nextdoor, I've been amazed to see the level to which city/local government is using it, at least in my city. Perhaps the most effective civic engagement tool to hit the streets since Ward Heelers (who were of course much better). I think Nextdoor is still very likely to become a mainstay of the web. It's served as a great way to find plumbers, get used stuff, meet neighbors, learn about civic projects, complain about local businesses that do bad things, etc...