Whenever somebody pitches me on "We're the facebook for N" or "We're a groupon for N" I tune them out and find something more interesting to focus on, like the

Whenever somebody pitches me on "We're the facebook for N" or "We're a groupon for N" I tune them out and find something more interesting to focus on, like the cracks in the sidewalk or that edge on the brown paper wrapper they add to a coffee cup to make sure that you don't burn yourself and sue them. What's that thing called?