Share 'Nerdy Touches For Your Wedding'

My fiancee and I have both agreed that our wedding should be a nice mix of small/classy and offbeat/fun. While we're both a bit nerdy, we don't want anything themed (i.e. Star Wars wedding, Anime wedding, etc.). Does anyone have any ideas on how to work in small nerdy touches without compromising the integrity and, I stress this word again, classiness of the wedding? My fiancee and I are both in…