A news feed is an online feed full of news sources. On Facebook, the News Feed is the home page of user accounts, where you can see all the latest friends' updates.
The news feed on Twitter is called Timeline.
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What is a news feed?
The News Feed is a personalized news streaming interface that allows users to see the latest information, activity, and content that's relevant to them. It is a feature that can be found on many social networks, blogs, and other websites.