Just for the record I have yet to publish an article for an app that has been sponsored or paid for in any way. I say that so when you see that I'm writing about an app, that I actually find it worthy or ridiculous enough to mention. This one falls under both categories.
Engadget has a little write up about a new selection in the App Store called Awareness! (punctuation theirs). Awareness sets up a noise threshold to your headphones, then disallows those noises from entering your state of consciousness. At least that's what it says...