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Why do we need social robots? Beyond Chatbots and Voice Assistants

Updated: Aug 21, 2023

In an era brimming with technological marvels, the emergence of social robots on the scene is a phenomenon that merits attention. While we're accustomed to the convenience of smartphones, voice assistants, and smart speakers, social robots bring a new dimension to human-machine interaction. Delve into the world of social robotics with us as we uncover the compelling reasons that set these machines apart from their digital counterparts.

Reimagining User Experience: The Core Differentiator


In our quest for seamless interaction, the disparity between working with various mediums becomes evident. Pen-and-paper, keyboards and mice, touch screens, voice assistants, avatars, virtual reality (VR), augmented reality (AR), and social robots each offer distinct user experiences. While information can be conveyed through any of these channels, the divergence lies in how effectively they engage us in different tasks. The essence of human interaction goes beyond mere data exchange, and this is where social robots excel.

Co-Presence: The Key to Authentic Engagement



Central to the allure of social robots is the concept of co-presence – the shared experience that comes from physically occupying the same space. Throughout human history, our relationships have been rooted in co-presence, fostering trust and emotional connections. Although technological advancements have allowed communication across distances, the innate comfort of face-to-face interactions remains unparalleled.

Enter social robots: with their physical presence, facial expressions, and ability to make eye contact, they recreate the sensation of co-presence. This authenticity is further enhanced by the immersive qualities of technologies like VR, where the sense of shared space engulfs us, akin to interacting with a social robot.

The Power of Proximity: Building Relationships in Physical Space


Proximity, the spatial closeness between entities, plays a pivotal role in human interactions. This principle is exemplified in the tendency to form relationships with those physically near us. The physical distance between individuals significantly influences the nature of their interactions – from conveying trust to signaling emotional connections.

Incorporating these principles, social robots situated in the same room mirror the dynamics of human cognition. This proximity triggers a sense of comfort and connection that goes beyond the capabilities of digital avatars or voice assistants.



The Mona Lisa Effect: Decoding Visual Cues


Human mastery at deciphering visual cues – like gaze direction – underscores the limitations of video communication. In a video call, a person's gaze appears constant, regardless of the viewer's perspective. This absence of three-dimensional depth hampers the perception of gaze direction, leading to awkward interactions.

Here, social robots shine yet again. Inhabiting physical 3D space, they can direct their gaze towards objects or establish eye contact with individuals, effortlessly mirroring real-life interactions.

Multi-Party Interaction: The Evolution of Engagement


Consider a scenario of group discussion. The interplay of gaze and glances orchestrates turn-taking and addressal of messages. This intricate dance of eye movements is fundamental to group dynamics, something that voice assistants and avatars can't replicate.




As we transition to a world where conversing with machines becomes routine, the need for complex interactions involving multiple individuals arises. Social robots, with their ability to engage in such exchanges through nonverbal cues, cater to this need seamlessly.

Scientific Validation: The Bridge to Authentic Engagement


Research supports the supremacy of social robots over avatars and chatbots. Studies like the one by Brian Scassellati and his team at Yale University reveal that physical presence significantly enhances engagement and learning. Participants interacting with physically-present robots showcased improved puzzle-solving abilities compared to those interacting with avatars or voice-based assistants.

The Inimitable Human Touch of Social Robots


In our pursuit of innovation, it's imperative to recognize that social robots offer an experience far richer and more engaging than their digital counterparts. The human essence lies in shared physical space, eye contact, and nonverbal cues – elements that social robots effortlessly incorporate.

So, the next time you're faced with the question of why we need social robots amidst chatbots and avatars, remember that these machines are not merely tools; they bridge the gap between humanity and technology, replicating the authentic, tangible connections that define us. Embrace the evolution, as social robots invite us to redefine human-machine interaction, breathing life into a world of co-presence, engagement, and empathy.


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