Orest Protch

The Internet certainly has changed since 1993 when I posted my first businesses, which were catalog-based, on the Web. I sold industrial liners for corrosion and environmental protection, and I had a mail-order pond and landscape supply catalog. Each targeted a different clientele, and I learned that marketing strategies have to be directed specifically at target markets. You must determine the effectiveness of any promotional sales program, because it will add to your overhead allocations. Statistical analysis is one such powerful tool. And regression analysis in particular is at the top of my list. Any tool that allows you to determine if your catalogs are