Potato Chips

Potato chips (known as crisps in British and Hiberno English; either chips or wafers in Indian English; and chips in American, Australian, New Zealand, Canadian, Singapore, South African, Hawaiian English, and Jamaican English) are thin slices of potato that are deep fried. Potato chips are commonly served as an appetizer, side dish, or snack. The basic chips are cooked and salted; additional varieties are manufactured using various flavorings and ingredients including seasonings, herbs, spices, cheeses, and artificial additives.

Crisps, however, refer to many different types of snack products in the UK and Ireland, some made from potato, but may also be made from maize and tapioca. An example of these kinds of crisps is Monster Munch. Crisps is also used in North America to refer to potato snacks made from reconstituted dried potato flakes and other fillers,[citation needed] such as "baked Lay's" and Pringles, although Pringles are technically "quick-fried" in oil.

Potato chips are a predominant part of the snack food market in English-speaking countries and numerous other Western nations. The global potato chip market generated total revenues of US$16.4 billion in 2005. This accounted for 35.5% of the total savory snacks market in that year (US$46.1 billion).
Source: http://en.wikipedia.org/wiki/Potato_Chips