Divide and conquer.

• Position: New Products

Segmentation is the mantra of the marketing profession. Sort your customers by income, lifestyle, neighborhood clusters and the Like, and you'll gain valuable knowledge that will help an astute sales professional to improve his closure rate.

Like most of "Great Ideas," of course, market segmentation is easier said than done, but a number of industry suppliers have produced products designed to make that task easier. One of these is Market Advantage Software Inc., whose SegmentSolv software became available recently.

The company says SegmentSolv can take raw...