Clusters, beside being a way to categorize hard drive space, also happen to be a breakfast cereal. The cereal's claim to fame is its almond clusters nestled in with flakes, fused together with honey. A fairly popular U.S. television commercial featured a squirrel that continuously absconded with the cereal while a dim-witted fat man in a robe looked on perplexed. Comparable to the "Nut'n Honey" cereal.