You can access the Google Discover feed in several ways: It's just a swipe away from the home screen on most Android phones, it's prominently featured in the Google apps for Android and iOS, and it's displayed on the new tab page for Google Chrome on mobile. Despite this, I believe it doesn't receive enough attention.
You might already be a fan of Google Discover and use it daily, but based on the people I know—admittedly a small group—this constantly updated feed of news, reviews, and other updates isn't widely known.
The Google Discover feed presents high-quality web articles and other information, such as sports scores, that is tailored to your interests—you can customize the feature in various ways.
How the Google Discover feed works

You can start using Google Discover right away without having to configure it. On a Pixel phone, you can access it by swiping left from the main home screen. Google Discover uses information from your search history and app activity to personalize the feed. Your feed may include the weather in your location, latest sports scores, and places you've recently looked up on Google Maps.
In the Discover feed, you should see a list of recently published online articles matching your interests, such as tech, science, and soccer. You can tap on any of the articles to read them. Additionally, you might find links to Google apps and tools like Google Translate and Google's service for removing personal information from web search results. The Discover feed is endless, so keep scrolling down for more recommendations. If you want to see new links, go to the top of the screen and pull down to refresh. The content in the feed is based on your web and in-app activity. If you want to understand how this data is collected, you can visit your Google Account dashboard on the web for an overview.
How to customize the Google Discover feed

If you're not interested in the articles recommended to you in the Google Discover feed, you can adjust your preferences in different ways. You can indicate your preference for articles by tapping the heart icon. Additionally, you may see a row of face emojis to provide feedback on a specific recommendation.
By tapping the three dots next to any article, you can inform Discover that you're not interested in that particular article or in the article's topic in general. The same menu also allows you to block content from a specific source. To further customize your feed, tap on the "Manage your interests" link on the same screen.
You will find some of the recent Google searches you have performed, as well as saved items in apps like Google Maps. Any items you have liked in the Discover feed by tapping the heart icon will also appear here. You can easily remove entries by tapping on them if you don't want to see relevant recommendations. You will also see topics you have indicated you're not interested in, and you can edit this list as well.
Finally, you can tap your profile picture (top right) to access various options related to Discover and your Google account in general. The main one for Discover is Interests, which takes you to the previously mentioned screen. You can also view (and clear) your Google search history, see your public Google profile, and more.