Frito-Lay seem less foreign". Through Frito-Lay, PepsiCo is the largest globally distributed snack food company in the world, with sales of its products in 2009 comprising 40 percent of all "savory snacks" sold in the United States and 30 percent of the non-U.S. market. While the product catalog varies significantly by country, PepsiCo divides its snack products into two primary brand categories: those produced within North America, and those produced outside of North America. In certain regions of the world, the company's snack food products are produced under regionally specific names such as Sabritas and Walkers. The primary snack food brands
Natural history in the Spanish New World In his analysis of the plant, he suggested that over time “it may be shown by experience or reports from physicians whether it might be beneficial for other things”. This assumption on the part of Villasante that knowledge about the plant “was cumulative and would be based on the experience of physicians” was based upon the model set down by the Casa de la Contratacion and was the common approach to knowledge production in New World natural history. The idea of developing knowledge over time through continued experimentation and subsequent corrections to information later found to be erroneous was considered