About eight months ago, a fascinating social change began to ripple through hundreds of British neighbourhoods. Given the deluge of news that has happened since, it is easy to forget how remarkable it all seemed: droves of volunteers who were gripped by community spirit coming together to help deliver food and medicines to their vulnerable neighbours, check on the welfare of people experiencing poverty and loneliness, and much more besides. From a diverse range of places all over the country, the same essential message came through: the state was either absent or unreliable, so people were having to do things for themselves.