Threads Reaches 500M Users and Launches Algorithm Personalization Tool

What Happened?

Meta has announced that Threads, its microblogging platform launched in July 2023, has reached 500 million monthly active users (MAU), a milestone that makes it the fastest-growing social network in history, surpassing the adoption rate of TikTok and ChatGPT. This growth has accelerated in recent months, especially after the integration with the fediverse via ActivityPub in March 2024, which enabled interoperability with platforms like Mastodon. Along with this announcement, the company has introduced a series of new features focused on personalization and community. The most notable is 'Your Algo', a tool that allows users to adjust parameters of the recommendation algorithm, prioritizing followed accounts, specific topics, or a balance between both. Improvements have also been made in community management and content filters, such as the ability to mute words and phrases more granularly, and the option to create user lists to organize the feed.

Why Is It Important?

This announcement comes at a key moment for social media, where algorithmic transparency has become a growing demand from users, especially after criticisms of the opaque algorithms of Facebook and X (formerly Twitter) over the past decade. Threads differentiates itself from X and Bluesky by offering explicit control over the algorithmic feed, without eliminating the option of a chronological feed. While Bluesky allows customizing feeds through third-party 'stacks', Threads opts for an integrated and simplified configuration. Reaching 500 million users consolidates Threads as a relevant player in the microblogging ecosystem, directly competing with X, which reports around 550 million MAU according to third-party estimates (though X has stopped publishing official figures since 2022). Integration with Instagram, which has over 2 billion active users, and Meta's backing have been key to this growth, allowing Threads to inherit Instagram's user base without building one from scratch. Additionally, the context of the 'user exodus' from X after Elon Musk's acquisition in 2022, which led many to seek alternatives like Mastodon and Bluesky, has benefited Threads, which capitalized on that discontent with a timely launch.

What Consequences Will It Have?

The introduction of 'Your Algo' could pressure other platforms to offer similar options, increasing transparency and user control over their experience. This is particularly relevant in a regulatory context where the European Union's Digital Services Act (DSA) requires large platforms to explain how their algorithms work and offer non-profiling options. For content creators, this feature implies that organic reach may depend more on user choice than on the centralized algorithm, potentially reducing the unpredictability of engagement metrics. For advertisers, personalization could better segment audiences, but also reduce the ability for forced virality, as users could opt to see only content from followed accounts. In the long term, Threads could become a standard for algorithmic personalization, influencing the design of future social networks. However, this approach could also pose risks of echo chambers, as users might limit their exposure to diverse viewpoints. Meta has stated it will monitor the feature's impact on public conversation health and adjust the algorithm accordingly.

What Should Readers Know?

• The 'Your Algo' tool is available starting today in the app settings, under the feed preferences section. Users can choose between three modes: 'Following Only', which shows only posts from followed accounts; 'Recommended', which prioritizes content suggested by the algorithm; and 'Balanced', which combines both. Additionally, the frequency of each content type can be adjusted.
• Threads remains an ad-free platform, though Meta may introduce ads in the future. The company has indicated that monetization is not an immediate priority, but options like subscriptions or native ads will be explored once the user base stabilizes. Advertising is expected to arrive in 2025, according to eMarketer analysts.
• User growth has accelerated after the integration with the fediverse (ActivityPub), which allows Threads users to interact with those on Mastodon and other compatible platforms. Since March 2024, Threads profiles can be followed from the fediverse, and posts can be shared across platforms. This interoperability has attracted users concerned about decentralization and data portability.
• The 'Your Algo' feature is initially rolling out on iOS and Android, with a web version expected in the coming weeks. Meta has confirmed that the tool is based on machine learning and that user adjustments will be used to train personalized recommendation models, though the company claims data will not be shared with third parties.
• Compared to previous events, such as the introduction of chronological feeds on Instagram in 2022, 'Your Algo' represents a step further by providing granular control over the algorithm, not just the option to disable it. This could set a precedent for other platforms like TikTok or YouTube to offer similar options, responding to criticisms of algorithmic opacity.