They gather up all the usual browsing data-passwords, bookmarks, your browsing history-and keep them in separate buckets. Think of profiles as different identifies you can switch between. And while, sure, you could keep dozens of tabs open or multiple windows for each purpose, consider a feature that's been long-baked into your browser that may help: user profiles.
Most of us are trying to manage a mass of logins and browser tabs, and not just multiple websites or services, but multiple accounts for work, home life, our hobbies, and more.
