New research has put a spotlight on how new technology has changed the way retailers may start setting grocery prices, with one study finding that some shoppers are paying different prices for the exact same cart of food at checkout. A small case study from Groundwork Collaborative and Consumer Reports looked at nearly 200 grocery shoppers in four U.S. cities that went on the app Instacart and shopped for the same products at the same time. READ more from GMA: tinyurl.com/4mp2hxsw SUBSCRIBE to GMA: youtube.com/@GMA?si=ka34lqdEy8NRwJtT SIGN UP to get the daily GMA Wake-Up Newsletter: tinyurl.com/yc34mz6t To read the full story and others, visit goodmorningamerica.com FOLLOW: TikTok: tiktok.com/@gma Instagram: instagram.com/GoodMorningAmerica Facebook: facebook.com/GoodMorningAmerica Threads: threads.net/@goodmorningamerica X: twitter.com/gma Watch full episodes of GMA: abcnews.link/8SAXtIX ...