In a drastic shift of its core business model, Google on Wednesday said it will stop tracking individual user’s web browsing history in order to sell targeted ads. Over the past decades, Google has helped build an online digital advertising ecosystem based on tracking users across the internet and using that data to make marketing more personalized. This is largely done via third-party cookies, which are codes placed in Google’s Chrome web browser to track information such as website visits and search records, allowing advertisers to predict the users’ preferences and show ads that are most likely to interest them. Citing its commitment to protect privacy, the search giant reaffirmed that it will eventually retire third-party cookies, and will no longer create new tools to track users’ browsing history. “Today, we’re making explicit that once third-party cookies are phased out, we will not build alternate identifiers to track individuals as …