Uuuhhhh? what? I tried clicking it both right and left cliking it while in the center sqaure. I don't know what you mean by activating it? It have used and explored most of the map already.
EDIT: also i can't make empty maps nor can they be found in creative mode. i'm using v1.3.1
I think i under stand whata snap shot is, it seems similar ot what they call nightly builds in open source projects. how do you get a snapshot? When do snapshots become parts of the offcial game?
Whats up with that? At first I thought it was server/client lag but, waiting didn't help.
They are right to fear!
EDIT: also i can't make empty maps nor can they be found in creative mode. i'm using v1.3.1