Deck the Screens
Deeplocal built Deck the Screens as a fun holiday project that let multiple devices talk to each other using Node and Socket.io to create "strings" of lights across devices. On the website, you could either start a string or join one. Then, by plugging in the code on your device (phones, iPads, computers) you could watch your device join in, creating a digital string of lights to deck your screens.
This project was named "Best Holiday Card" by AdWeek.