A twinkle bulb light set includes, alternately from one end of the light set to an opposite end of the light set, a plurality of standard bulb sockets, each configured and dimensioned to operatively receive a standard bulb, whether a steady burning bulb or twinkle bulb, and at least one fuse bulb socket configured and dimensioned to operatively receive a fuse bulb. An address mapping and an address decoder is selected for each virtual segment. When the number of initially identified prospects matches the target number of prospects, the initially identified prospects are utilized as the final selection of prospects. However, if the call recipient is unable to provide the predetermined authorization code, or if there is no answer at any of the numbers in the predetermined call sequence, the emergency services personnel are dispatched. Depending on how the first spacer structure is positioned and configured, the channel may be controlled to provide either a logical AND gate or logical OR gate functionality. The titanium dioxide pigments are made by treating titanium dioxide with a plurality of metal salts under conditions suitable to form the titanium dioxide pigment having improved gloss andor durability, wherein at least one metal salt is capable of providing a monovalent anion.