Patzer

Continually referring to a Douglas Fir tree, but the tree(s) in the movie are Noble Fir. Painful.

When Penny is talking with Jayne "The Angel". Who is sitting on the couch. The jellybean bowl moves from the glass side table to the arm of the couch then back.

When Paula describes the web traffic their ad campaign will create, she says it will "generate more hashtag traffic than rush hour on the I-90."

People in Illinois would say simply "on I-90" or refer to the freeway by a name like "The Chicago Skyway," "The Dan Ryan Expressway" or "The Kennedy Expressway."

"On THE I-90" is a distinctly southern California turn of phrase.

The first couple of times Penny drives into the parking lot at work, it has been snowing outside, yet her cars have no visible signs of snow or any moisture on their exterior.

When Andrew walks Penny to her car after dinner, she steps onto something and becomes several inches taller for their close up scene (the car is at the curb and there was nothing for her to step onto). In subsequent scenes she is back to being much shorter than Andrew. Nikki Deloach is listed as being 5 feet 5 inches tall, while Christopher Russell is listed as being 6 feet 2 inches.

During the opening credits, right after the title is shown, the snowman begins to topple over.