The heart of Cache Line Dimension: Positive energy! The smiley represents the peak of any energy pulse that CLHQ detects in the CLD. Most recognized as the result of finding geocaches, but also found on many faces at the height of moments of joy and success.

This phenomenon punctuates the lines of life that are visually depicted through CLHQ's special transdimensional Portals. The nature of the energy these produce is still a mystery which CLHQ is exploring, along with the very fabric of the Cache Line Dimension itself...