Why did Meta buy small AI device company Limitless? The quiet battle for the 'next smartphone'

Meta's acquisition of AI device company Limitless is an event that symbolizes the full-scale beginning of the 'AI wearable war.' It is not just a small M&A deal, but can be called the front line of a battle over 'who will hold your personal AI memory.'

Below, we will organize everything from the true nature of the startup Limitless, to Meta's strategy, the impact on users and privacy, and the future direction of the market.

1. Who was Limitless?

Limitless was a company that originally started under the name 'Rewind' as a 'second memory' app that recorded all work history on a PC so it could be searched later.

After that, the company pivoted to an AI hardware company and released the 'Limitless pendant,' a pendant-style device that records and transcribes conversations, for $99. The pendant can be clipped to a shirt like a wireless microphone or worn around the neck as a necklace, allowing it to record, transcribe, and summarize real-world conversations.

Simultaneously with this acquisition announcement, Limitless has announced the following changes:

• New hardware sales will end

• Support for existing users will continue for the next year

• Paid subscriptions will be discontinued, and users will temporarily transition to an 'Unlimited Plan'

• Features other than the pendant, such as the desktop 'Rewind' app, will be phased out

• All data can be exported, and users can also choose to delete it from the app

In terms of fundraising, it was a startup with high expectations from VCs, having raised a total of over $33 million from a16z, First Round, NEA, and even Sam Altman.

2. Meta's goal—'Personal Superintelligence' and AI wearable strategy

Limitless stated on its official blog that it shares the vision with Meta of 'delivering personal superintelligence to everyone.'

Meta also commented that it is 'looking forward to Limitless helping to accelerate AI wearable development,' and the team after the acquisition is set to be integrated into Reality Labs' wearables division.

At this point, what Meta is focusing on is mainly smart glass-type AI devices.

For example:

• Smart glasses such as Ray-Ban Meta / Oakley Meta

• Experimental products like 'Meta Ray-Ban Display' with a built-in display in the lens

This acquisition is not so much about 'releasing a pendant-style device under the Meta brand as is,' but rather...

This is a strong implication.

In fact, Meta has continued to acquire startups related to voice AI and semiconductors since the beginning of 2025, and Limitless has been incorporated as a piece responsible for the 'AI wearable UI/experience' within that trend.

3. Why couldn't Limitless survive on its own?

In its acquisition announcement, Limitless hinted at intensifying market competition. In particular, the fact that giant players like OpenAI and Meta have started building their own hardware is seen as having placed significant pressure on independent startups.

Several players have already stumbled in the AI wearable market.

For example:

• The pendant-type AI device Friend: Described by users as 'creepy' and 'sarcastic,' its reputation is not favorable.

• The Sam Altman-backed Humane AI Pin: Faced numerous defects and criticism, leading to a de facto withdrawal.

• Amazon acquired the AI bracelet Bee and entered the market with a 'wrist-type' device.

In this context, Limitless was in the following position:

• It was ahead in terms of technology and experience.

• However, hardware + cloud AI requires continuous investment, and the capital burden is too heavy for a startup alone.

• Furthermore, the 'always-on recording' category, which is sensitive to privacy, also carries high marketing and regulatory risks.

Co-founder Dan Siroker reflects, 'When we started five years ago, AI was a pipe dream for many, and hardware startups were considered "uninvestable",' while writing, 'Now, the future we were working on looks "almost inevitable".'

While its technical vision was appreciated, 'Joining a major platform can ensure better scale and security than fighting alone'—this can be said to be the biggest reason for joining Meta.

4. Impact on users and privacy

For existing users, what matters is 'how long the service will continue' and 'what will happen to my data'.

The announcement is organized as follows:

• Support period: Service will continue for current users for at least one year.

• Pricing: Subscription billing has been stopped, and it is temporarily transitioning to a free Unlimited Plan

• Data management: From within the app, you can choose to

  • export all data

  • or delete all data
    

On the other hand, by coming under the Meta umbrella, the privacy policy and data handling may be influenced by Meta's terms and conditions framework. Reuters reports that 'agreement to revised privacy terms' will be required as a condition for continuing the service.

An 'always-recording AI pendant' inherently carries concerns such as:

• How to obtain consent from the person you are talking to

• Where data is stored and who can access it

• Whether voice and transcribed information will be used for advertising or targeting

As the technology is absorbed into a massive platform like Meta, users will be forced to make a bigger 'bet of trust' in exchange for convenience.

5. The next move in the 'AI wearable war' from an investor and business perspective

While the amount for this Meta x Limitless deal is undisclosed, it offers several important implications.

1. It is extremely difficult for standalone AI device companies to survive

   • The 'triple cost' of hardware + cloud + AI models

   • High demands for privacy, regulation, and support systems

   • As a result, an exit where 'if the product is a hit, it will eventually be acquired by Big Tech' is becoming a realistic pattern

2. Meta is shifting its focus from the 'metaverse' to 'AI wearables + superintelligence'

   • In 2025, they have continued to acquire companies around AI infrastructure, such as AI audio and AI chips, and Limitless can be positioned as part of that effort

   • A strategy to secure the next major device after the smartphone with things like 'AI-equipped glasses/pendants/bracelets'

3. The battle for user experience is about 'how naturally it can extend daily memories'

   • Limitless advocates 'supplementing the limits of human memory with AI,' and by combining it with Meta's AI assistant,

     • automatic conversation notes

     • task extraction

     • and personalized reminders
       it moves closer to a 'full-stack personal superintelligence.'

For investors, the essence of the battle is not the 'device itself,' but 'how to bundle AI models, the cloud, and wearables,' and this acquisition of Limitless should be seen as a signal that Meta is serious about playing that game.

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