Google has been sued for $5 billion for invasion of privacy.

On Tuesday, a formal complaint was filed in the federal court in San Jose, California against Google. Specifically, the complaint accuses Google of tracking and collecting information of Google Chrome users, even when using the web browser’s Incognito Mode. This collected data includes things like shopping habits, favorite food, hobbies, and, in the complaint’s words, the “most intimate and potentially embarrassing things.”

The lawsuit is seeking damages of $5 billion. The complaint claims that Google “cannot continue to engage in the covert and unauthorized data collection from virtually every American with a computer or phone.”

Google spokesman Jose Castaneda said that the company intends to defend itself against these claims with the full extent of its ability. “As we clearly state each time you open a new incognito tab, websites might be able to collect information about your browsing activity,” he said.

This is true; Chrome’s Incognito Mode does include a warning when opened that reads “Your activity might still be visible to: Websites you visit, Your employer or school, Your internet service provider.” Nevertheless, many computer security experts have raised concerns about Google’s data-gathering practices, theorizing that the company may gather data and augment user profiles differently depending on their Incognito browsing habits.

The complaint claims to include “millions” of Chrome users who have browsed in Incognito since 2016, though no specific numbers have been divulged. The plaintiffs for the complaint are Chasom Brown, Maria Nguyen and William Byatt. They will be represented by Boies Schiller & Flexner.