13. âą No SQL was used throughout the entire codebase
âą (Even though it was tempting to use Hive at one point)
âą You can ïŹnd code here: https://github.com/friso/graphs
âą You can ïŹnd me on Twitter here: @fzk
âą You can ïŹnd me on e-mail here: fvanvollenhoven@xebia.com