Conversation so far:
What is the code is red about?
The album continued the band's progressive approach to their brutal brand of extreme metal, with their trademark grindcore sound retained.
Did it receive good reviews?
CANNOTANSWER.
Are there any other interesting aspects about this article?
It features guest appearances from Jeffrey Walker (Carcass), Jamey Jasta (Hatebreed vocalist) and Jello Biafra .
What was Time waits for no slave?
Napalm Death's fourteenth studio album.
Did it do well?
CANNOTANSWER.
Are there other albums involved in this time frame?
on 15 September 2006.
What was the name of that album?
Smear Campaign.

Question: What do you find to be the most interesting fact?
Self-contained rewrite: What do you find to be the most interesting fact about Smear Campaign?