AlterEgo
Arnav Kapur (left) and Max Newlon of MIT Media Lab-affiliated AlterEgo (Credit: AlterEgo)

MIT-Linked Startup Unveils ‘Near-Telepathic’ Wearable Device for Silent Communication

As “telepathy” becomes the buzzword of brain-computer interface technology, AlterEgo, a new MIT-affiliated startup, is unveiling a device that reportedly allows users to communicate silently at the speed of thought.

The device, billed as the world’s first “near-telepathic wearable,” is raising hopes for groundbreaking accessibility—and concerns about privacy—as brain-computer interfaces move into the consumer market.

Founded by Max Newlon and led by COO and CEO Arnav Kapur, AlterEgo has positioned itself as a company developing technology designed to extend human cognition. On his personal website, Kapur highlights his belief in the “unrelenting power and purpose of good,” signaling that the company’s stated goals are rooted in building technology with positive societal impact.

The Emerging Technology of Telepathy

Telepathy” has emerged as the defining buzzword in brain-computer interface (BCI) research, used by companies that most notably include Elon Musk’s Neuralink, and now MIT spin-off AlterEgo as they develop new ways of merging human thought with artificial intelligence.

AlterEgo promises to allow users to silently communicate by internally articulating words in their minds. Announced on Sept. 8 on X, the company describes its device as “the world’s first near-telepathic wearable that enables silent communication at the speed of thought.” Powered by AI, AlterEgo says its platform “makes AI an extension of the human mind.”

Classified as a non-implantable, or non-invasive, BCI, AlterEgo differs from other consumer- and healthcare-oriented companies because it does not claim to capture private thoughts. Instead, the system records only what users consciously intend to say by “engaging their speech system.”

The company’s proprietary Silent Sense technology, developed at MIT, “detects the full spectrum of speech, whether speaking out loud, mouthing words, or even motionless intent to speak. The system adapts to any communication style, enabling users to interact as loudly or quietly as they want,” according to a press release.

From a neuroscience perspective, the question is whether “silent speech” BCIs can reliably detect intended speech without intruding on private thought. In an email, neuroscientist Julia Mossbridge told The Debrief that such technologies are “very plausible,” explaining that consciously intended speech is easier to translate into meaningful signals than abstract thoughts or images.

However, she cautioned that unintended consequences could arise if users are unable to fully control what they intend to say, blurring the line between conscious and unconscious thought.

“The line between conscious and unconscious intent is different across people, so there could certainly be unintended consequences (such as hearing a loved one’s snarky thoughts about you) that could be troubling,” Mossbridge said.

Early adopters may find uses for AlterEgo ranging from typing at the speed of thought to hands-free device control. Mossbridge noted that tools translating intentional mental speech into words could be valuable for individuals with dyslexia, ALS, MS, or other conditions that compromise motor function, including speech and writing.

Other potential applications include silent internet searches, app navigation, and private communication with others. The company suggests the device could eventually serve as an extension of human cognition, enabling new modes of workplace interaction.

Telepathy in the Workplace 

Technologies like those developed by AlterEgo, Neuralink, and others suggest an emerging wave of brain-computer interface technologies poised to transform workplace and consumer communication. AlterEgo says its device “enables a new category of interfaces for the intelligence age, where human language and speech are currency of interactions,” describing it not as a tool but “an extension of human cognition.”

The technology could reshape how people with learning disabilities, non-verbal autism, or speech impairments create and communicate, offering new opportunities for inclusion while also paving the way for advanced AI-human collaboration.

Still, significant challenges remain. “Those with non-speaking autism or with certain types of strokes may find the process of mentally speaking what they mean to say just as difficult as physically speaking these thoughts,” says Mossbridge, adding that further research is needed to determine whether BCIs can effectively assist these individuals, and that, for now, letterboards remain the most reliable method for nonspeakers to communicate. “Using open-ended devices like letterboards with the help of a communication and regulation partner,” she adds.

Risks and Social Concerns

The introduction of such technology also raises broader societal concerns. Economically, BCIs could deepen existing inequalities if only wealthy consumers or workplaces can afford secure versions. Mossbridge warned that low-wage workers could be compelled to use less secure devices, which are vulnerable to monitoring, while higher-income individuals may opt for encrypted models.

Security and privacy risks also loom large. As Mossbridge notes, private conversations could be hacked, making data protection a key factor in determining whether this technology will be trusted.

As brain-computer interfaces move rapidly into the consumer marketplace, public debate over their use is accelerating. Whether BCIs like AlterEgo become tools for empowerment or sources of social division may depend on how quickly policymakers, companies, and consumers address the ethical and security challenges they present.

Chrissy Newton is a PR professional and the founder of VOCAB Communications. She currently appears on The Discovery Channel and Max and hosts the Rebelliously Curious podcast, which can be found on YouTube and on all audio podcast streaming platforms. Follow her on X: @ChrissyNewton, Instagram: @BeingChrissyNewton, and chrissynewton.com.