Compile Time Locals
If you know Jade (and you should, it's really amazing) you know it allows you to include all sorts of stuff by passing in a locals parameter (variables, functions, etc.) We've consolidated this into the locals.js file, which gets executed once for all the jade page builds.
This let's us do things like
last-updated: May 25th 2014, 11:46:40 pm when the weather in Cornelius was 'few clouds' and 67.59 F