the element of surprise
I’m not talking about the chocolate sort, I’m afraid (although that could be quite persuasive too…).
I’m referring to the following kind of Easter egg, as defined by Wikipedia:
“A virtual Easter egg is an intentional hidden message, in-joke or feature in an object such as a movie, book, CD, DVD, computer program, web page or video game.”
For example, “an Easter Egg is found on all Microsoft Windows Operating Systems prior to XP. In the 3D Text screen saver, entering the text “volcano” will display the names of all the volcanoes in the United States.”
In simple terms, it’s a built-in “surprise & delight” mechanism.
Much like the secret rooms that people build into their homes to put a smile on their guests’ faces:
