The one thing that everyone has in common is that we are all consumers; we all buy. Every day, from daily small purchases, like your morning coffee and newspaper, to big monthly or yearly purchases, like a television or a car. But what influences your decision on what and where to buy. Surely, you have tastes and preferences but with all the competition for your purchasing power it is often small differences in the product that ultimately influence your decision.Let's say you walk into a grocery.