For starters, Nienke and I had a great and lovely wedding! With this wonderful opening dance. We also had a great honeymoon with our sailboat to NP "De Biesbosch" in the Netherlands.
Also some nice things in BI-land have happened:
Office 2013 Preview was released with native PowerPivot and a PowerView add-in. Kasper wrote an excellent blog post about the ton of new features.