how?? impact on environment or what??
off the top of my head - overpackaging = increased landfill
more machinery=greater use of natural resources
But if ur talking generally doesnt it refer to things like technology has resulted in new heating,packaging mathods..eg. sous vide,, um food being developed for the military n space missions,wllows people to gain greater convenience in thier food choices and to enjoy a busier lifestyle thru things like single serve microwavable meals...
not sure if thats what u meant or whether wat i wrotes right but hope it helps