Facebook vs. TikTok | Elon Musk emails Tesla's board

In that same earning call Zuckerberg talked about how there’s a “major shift” towards discovery algorithms, because it “unlocks a large amount of interesting and useful videos and posts you might have otherwise missed.” But he doesn’t just see this as unique to Reels / TikTok. He wants to turn this into a major drive for all types of content across... See more

For Platform, the key reason to focus on this is opening up another valuable surface beyond News Feed. This is important not only to expand, but because News Feed and therefore our current platform may actually be getting *less* valuable over time as more behavior moves to more private mediums like messaging.

Given how important messaging has become relative to News Feed where our platform primarily focuses, it seems like there is a large opportunity here, both to extend Messenger in a unique and differentiated way compared to other messaging products and to extend our development platform to another extremely important surface.

A central challenge for any recommendation algorithm is the tradeoff between safe but somewhat boring recommendations that are similar to recommendations that worked well in the past (“exploitation”), and risky recommendations that are unlikely to be good but have a high payoff if they do turn out to be good (“exploration”). Explorat

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Head of Facebook App: "Building the Discovery Engine" April 27, 2022

But to get people to ditch WhatsApp and switch to Messenger, it will never be sufficient to be 10% better than them or add fun gimmicks on any existing attribute or feature. We will have to offer some new fundamental use case that becomes important to people’s daily lives.