Triangular shaped tortillas were created by Rebecca Webb Carranza. She fried the discarded tortillas that were cut into triangle shapes, and later they became a popular snack. In 1994, she received the Golden Tortilla award, for her contribution to the Mexican food industry. You can check out some amazing dip recipes below.
http://www.mrfood.com/Relishes-Sauces-Seasonings/Seafood-Dip-3741
http://www.mrfood.com/Appetizers/Quick-Guacamole
http://www.mrfood.com/Relishes-Sauces-Seasonings/Cucumber-Dill-Dip-3383
SOURCE: http://nationaldaycalendar.com/2015/02/23/february-24-2015-national-tortilla-chip-day-spay-day-usa/