The One with the Sonogram at the End - S1-E2
Continuity mistake: When Monica holds the glass pan of lasagna up over her head to try and find Rachel's ring, when it cuts to the next shot the lasagna is still in the air, but it's different - note burned corners, etc. (00:06:10)
Suggested correction: I've seen a few of these listed as errors, but they're not. A lot of shows do this often if you pay attention. It's called "product displacement", and it is done to avoid being sued or having to pay licensing fees. Also, it is cheaper to alter logos like this than pixelate/blur them out. What is interesting though, is that one of the grape nut boxes in this picture does not have an altered logo.
Yes, it's product displacement, and this is specifically referred to as the "greeking" process. However, your correction only offers an excuse as to why this occurs. The tape or paint partially or fully covering the brand names or logos are a distraction, and it removes viewers from the fake reality of the show or movie. Originally, these types of submissions were to be listed in trivia, but instead they were placed in the mistake section.
Super Grover ★