Figured out Matlab well enough (with massive help from a labmate in the physics program) to write some scripts that automate my low-level data analysis for work that previously took 3+ hours into 5 minutes of carefully selecting parameters and 2 seconds of processing.
As in Joshua Blaine's original description (below), but may be used to brag about things you've accomplished either this month (December) or the previous one (November), assuming that you haven't brought it up in any earlier Monthly Bragging Thread.