What if I told you, that pulling code from a git repo could boost your knowledge?
I've been doing this for a month now, and as a side effect of pulling code changes I now know who in the world drank the most beer, how the microwave was invented, and how much does the highest paid CEO get a day. Here's how to do it: create an alias or a function for a random fact
alias fact="elinks -dump randomfunfacts.com | sed -n '/^| /p' | tr -d \|"
and hook it up to whatever you use for pulling your code (you don't type git pull every time, do you?).
alias glr='fact && git pull --rebase'
Put those to your .bashrc or .zshrc and learn a new thing every time you pull!
Edit1: discussion on Hacker News
Edit2: If you use OSX and don't have elinks, the easiest way to install it is via homebrew
brew install elinks