Modern versus Traditional The modern supermarket offers a wide variety of foods, from organically grown produce to fully prepared meals. Traditionally, people eat foods native to their environment at the time of harvest, with only minimal processing such as drying or salting. In many cultures there are often seasonal shortages of some foods such as fresh fruits and vegetables. Modern technology has had a major influence on food consumption and production. Improved transportation means food such as out-of-season fruits and vegetables can be imported from great distances. Processing and preserving methods prolong the freshness of perishable foods. Fish Many cultures harvest the oceans and seas for food. One of the oldest forms of food production, fishing, remains important in today's global market. In today's world where many fish stocks are threatened by over-fishing, fish farming or aquaculture is an alternative. Fruits and Vegetables At one time, fruits and vegetables were eaten only where they were grown. Importing and exporting brings a wide variety of fresh produce to consumers around the world. The market place is a centuries-old source of foods and goods. From individual traders to international supermarkets, the tradition continues today. Entire families, including the children, help out at the family's market stall.