In one embodiment, semiconductor die are singulated from a semiconductor wafer by etching openings completely through the semiconductor wafer. The optical recording medium includes a data recording and reproducing area divided into a plurality of zones in the radial direction. Whereas conventional consumer reviews such as star-ratings merely give an average rating based on inputs from the business evaluators, the personalized consumer to business matchmaking apparatus and its related method generate a personalized match score based on individual traits, requirements, and profiles of the business, the searching consumer, and the business evaluators.