A) I did know.
I've been following the thread since inception.
B) I will continue to use it.
It helps to make sure that I find any interesting threads that might have appeared while I was otherwise engaged...
C) Assuming that it has served it's original purpose & is now purely a listing of giveaways, then yes the name should be changed. However, there may well be users who will still find the original information useful, so perhaps a new "Giveaway directory" would be more appropriate...
D) Yes. See above...
E) GIveaway Directory seems to fit the bill.
F) Before advertising a giveaway in the thread, perhaps CHECK THAT IT HAS NOT ALREADY BEED ADDED!
Ideally, the giveaway creator would add it to the thread, but this does not always happen. It is great that other users add them, but there have been several duplicate listings. This is not that big a deal, but I am a bit OCD about these things...
FF) More an observation than anything else, but this does mean that there will have to be a constant stream of giveaways to keep the thread visible, unless it can be "stickied". Not that that's a bad thing, of course...!!
F) People who post about a giveaway should edit their post to say it's over.
REALLY good idea! +1 that man
And just to comment on some of the other suggestions:
Naming it as GOG's giveaways (or similar) could suggest that the contests are offically created or endorsed by the GOG crew, which could be misleading....
Perhaps I'm being pedantic, but that's how I would see it.