Physical meetings mean we're also sharing our laptops with each other to speed up builds. This screenshot shows the monitor for the icecream distributed build tool, which wraps the compiler (usually g++) to use different machines on the network to run more build jobs in parallel.
Icecream is one of those tools KDE devs have been using for a long time, and it's also a social experience for us. :)
TL;DR: Less sword-fighting ( http://xkcd.com/303/