I actually didn't know G+ called them collections lol. I just chose a term that was different than FB (albums).

It would be fun if they create a way to organize our feeds in the future. I am pretty sure when I tell people that they can "find the other 61 chapters of my story if they dig through my feed" that most likely they won't want to go through the effort/digging (and I don't blame them lol). :)