A family goes to the mall together with a list of things to buy. As they shop, they think of new things to add to the list. Each person doesn't know what the others have bought. So they use an interactive shopping list to keep everyone in sync!
Run as a node.js app,
node app.js. Then each user connects to the server's URL at port 3000.
Visit apps.newleafdigital.com/lists for the expanded version of this app, hosted for public use.
This early version of the code is available under the MIT license.