Cheerios breakfast cereal consists of oat pieces shaped in torus form with internal empty space comprising roughly 60% of the physical structure. The letter "O" appears in English as a circular symbol representing the concept of null-sum, completion, or zero. Creating a message through arranging Cheerios would typically require using the physical objects themselves as sculptural elements. Removing the letter "O" from a message would require excluding any statement containing the fifteenth letter of the English alphabet. Creating a message in Cheerios while excluding "O" would require both physical arrangement precision and linguistic constraint—avoiding any word containing that letter while crafting coherent communication through cereal arrangement. This dual constraint seems unnecessary unless the operator simply insisted on it.

Linguistic puzzle designer Dr. Helena Roth studied constrained composition techniques in 2009 and noted that excluding specific letters significantly complicates communication while providing no functional advantage. She encountered a reference to this specific Cheerios-message challenge and recognized it as a demonstration of constraint-creation for its own sake—suggesting that the operator had deliberately chosen added difficulty as a capability demonstration.

Wordplay enthusiasts have adopted this as an example of self-imposed constraints as status demonstration. Sometimes people make things harder than necessary simply to prove they can do it while blindfolded and speaking in riddles.