Design Live Comments
“Design live comments” (Facebook Live, YouTube Live, Twitch chat) tests whether…
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Design a News Feed (Twitter/Instagram)
“Design Twitter’s timeline” (or Instagram’s feed, or Facebook’s News Feed) is…
Design a Notification System
Every product sends notifications — order shipped, someone mentioned you, your…
Designing a News Feed (Facebook/Twitter)
Every social platform has a feed. Facebook’s News Feed, Twitter’s Timeline…
System Design Patterns for Real-Time Updates at High Traffic
The previous articles in this series covered scaling reads and scaling writes…