Is such a demarcation artificial, inasmuch as so much of immune activity is on-going background 'noise' of immune surveillance, lymphocyte turnover, and basic physiological processing?
Still, gun control advocates are trying to keep momentum going on background checks -- and one of their strongest arguments is that the majority of Americans are behind them.
That's very different from people going on background to tell you that Britney Spears is pregnant, or that Hillary Clinton shouldn't run for the Senate because it will hurt her chances of running for President.
"I'm not going on background to [Buzzfeed's] McKay Coppins to tell him I have little pee stains in my panties in the evening," he said.
And prepare to witness the brain-inflaming sight of Tony Snow, clumsily going on background - or maybe not...but maybe so! - right before your very eyes, using only the power of flimsy deception!
Official spokesmen have been known to go on background — meaning they cannot be quoted by name — to say they will have no comment.
And one thing that's always going on in the background is the history of a place.
"You have a culture here in Washington, they won't tell you if they had a cup of coffee or not unless they go on background".
And then, you know, they go on background, and they're like, "Jesus!
"There's even a game going on in the background in one scene," he said.
So while the future Internet may appear to fade into the background, as Schmidt suggests, that might just signify a correspondingly vast depth of activity going on in the background.
