In the beach party scene at Nantucket, the grandma is sitting on the beach reading a paperback copy of "The Devil Wears Prada" written by Lauren Weisberger.
When Annie returns to the apartment after being fired, she takes a swig from the liquor bottle before even looking for the "Nanny Cam." But when the mothers are viewing the tape later, we see her take the same swig and then immediately begin speaking to the camera.
When Annie is in the bath and Mrs. X comes in, the filmmakers have added a fart sound and bubbles - but since Annie is underwater, there would only be bubbles.
When Harvard Hottie is reading the letter from Mrs. X at the end of the movie, the words he says do not match the words on the letter. The opening line reads, "It's been sometime since we have spoken," and Harvard Hottie says, "It's been several months since we have spoken."
Annie Braddock: There's a common belief among anthropologists that you must immerse yourself in an unfamiliar world in order to truly understand your own.