Audio problem: When Rob is in the electronics store looking for a battery for his cellphone, he picks up a Nokia battery case so he can retrieves his messages but as he ends the call the sound his cellphone makes is clearly one of a Motorola phone. (I sell both Nokia and Motorola cellphones which is why I know).

Continuity: While Hud films Lily's testimonial at the beginning of the film, the heart pendant on her necklace changes positions, from upside down to on its side. Submitted by Michael Piscitelli

Continuity: When he's walking in the subway, Rob's shirt has a dark triangle of sweat (and dirt) on the back. In one clip the triangle is barely visible and the shirt looks a lot cleaner than before. In the next clip, the triangle is very clear again. Submitted by Jacob La Cour

Revealing: When we see the rebar stuck in Rob's girlfriend, you can see the rebar moving up and down with her breath. The only way to get it out of her was to lift her, so it wouldn't be doing that if they could have just pulled it. (The rebar was attached to the concrete behind her, otherwise lifting her would do nothing).