So I was just talking to a co-worker about TWD and came to a theory/prediction/what if. I obviously think that the end of this season will see them encounter the other group, probably right at the end of the episode to leave a good cliffhanger until season 3. I'm assuming that the other group will (don't read if you didn't read the huge spoiler
Spoiler: show
Kill Shane
. My kind of off of the wall prediction is that the black guy and his kid from the 1st episode is in that other group and we end with Rick realizing that.