Expressive Messaging

A speculative interaction layer that replaces emoji selection with gesture-based expression. Pressing, holding, or shaking the device changes how a message is perceived — making emotion emerge from movement, not from a menu.

My role

Product Designer Interaction Design Motion Prototyping

Scope

Concept Exploration Motion Prototype

Domain

Digital Communication Emotional UX Interaction Design

Tools

Figma Protopie

Team

Luke Caporelli Jannes Daur Leon Burg

Year

2025

context

Project Frame

A speculative interaction study — built with Jannes Daur and Leon Burg — focused on gesture and motion rather than full product development.

Positioning

The project is not a complete messaging platform but a high-fidelity feature exploration. It demonstrates how subtle behavioral inputs can transform emotional communication without increasing interface complexity.

design preview

Core Challenges of Digital Communication

>50 %

MORE EMOTION PERCEIVED WITH EMOJIS VS TEXT ONLY

~18 %

MISCOMMUNICATIONS DUE TO TONE/HUMOR
MISINTERPRETATION

Discover

Gap in Digital Communication

Current messaging platforms rely heavily on emojis, reactions and text formatting. While versatile, these tools reduce emotional nuance to predefined symbols and often fail to communicate tone and intensity.

Loss of Physical Cues

In face-to-face interaction, emotion is conveyed through timing, gesture, touch and movement. These dimensions are largely absent in chat environments, leading to misunderstandings and emotional flattening.

define

Design Principle

Emotion should emerge from interaction rather than selection. Instead of choosing from a menu, users express feelings through duration, motion and physical engagement with the device.

Core Question

How can emotion in chat become clearer and tangible without adding visual clutter or new interface layers?

concept brainstorming

ideate

Emotion Mapping

A broad set of emotions was explored and filtered based on relevance for digital communication. The focus was on emotions that are frequently misunderstood or difficult to express in chat.

Interaction as Carrier

Early concepts tested visual overlays and typographic changes. The strongest direction emerged when emotion was embedded into existing behaviors such as sending, reacting or navigating. Gesture became the primary expressive medium.

prototype

Motion-Driven Validation

Prototype testing revealed that gesture sensitivity is the core design variable. Small thresholds produced ambiguous emotional reads; large ones felt performative. Calibrating to how bodies actually move under emotion was where the concept either worked or didn't.

Physical Interaction

Gestures that followed instinct felt immediate. Those that fought natural movement created friction and broke the emotional read.

prototyping in protopie

deliver

Romance

Romance is expressed through synchronized touch. When two users hold their finger on the screen simultaneously, their fingerprints merge and leave a shared trace inside the chat. Intimacy is created through coordinated action rather than symbolic imagery.

Anger

Anger is translated into kinetic disruption. By shaking the device, a message transforms into an angry bubble. The physical gesture releases tension and visually communicates emotional intensity.

Joy

Joy is expressed through intentional effort. Real-world objects are captured and transformed into collectible digital stickers that can be gifted. The emotional value lies in time and attention invested, not in instant reaction.

Sarcasm

Sarcasm is clarified through subtle transformation of the message bubble. A simple interaction alters its orientation or behavior to signal ironic intent, reducing the risk of misinterpretation.

Impact

Expressive Depth

The concept demonstrates how interaction design can extend emotional bandwidth in digital communication without expanding interface complexity.

chat bubbles

product shot

reflection

Key Learning

The most precise emotional signal came from threshold design — how sensitive each gesture was to pressure, duration, or speed. Getting that right required studying how bodies actually move under emotion, not just how interactions look on screen.

Next Step

User testing across different demographics could reveal how gesture sensitivity varies — and whether a personalized threshold layer would improve emotional clarity at scale.

© 2025 Luke Caporelli

© 2025 Luke Caporelli

A speculative interaction layer that replaces emoji selection with gesture-based expression. Pressing, holding, or shaking the device changes how a message is perceived — making emotion emerge from movement, not from a menu.

Expressive Messaging

context

Project Frame

A speculative interaction study — built with Jannes Daur and Leon Burg — focused on gesture and motion rather than full product development.

Positioning

The project is not a complete messaging platform but a high-fidelity feature exploration. It demonstrates how subtle behavioral inputs can transform emotional communication without increasing interface complexity.

design preview

Discover

Gap in Digital Communication

Current messaging platforms rely heavily on emojis, reactions and text formatting. While versatile, these tools reduce emotional nuance to predefined symbols and often fail to communicate tone and intensity.

Loss of Physical Cues

In face-to-face interaction, emotion is conveyed through timing, gesture, touch and movement. These dimensions are largely absent in chat environments, leading to misunderstandings and emotional flattening.

Core Challenges of Digital Communication

>50 %

MORE EMOTION PERCEIVED WITH EMOJIS VS TEXT ONLY

~18 %

MISCOMMUNICATIONS DUE TO TONE/HUMOR
MISINTERPRETATION

define

Design Principle

Emotion should emerge from interaction rather than selection. Instead of choosing from a menu, users express feelings through duration, motion and physical engagement with the device.

Core Question

How can emotion in chat become clearer and tangible without adding visual clutter or new interface layers?

ideate

Emotion Mapping

A broad set of emotions was explored and filtered based on relevance for digital communication. The focus was on emotions that are frequently misunderstood or difficult to express in chat.

Interaction as Carrier

Early concepts tested visual overlays and typographic changes. The strongest direction emerged when emotion was embedded into existing behaviors such as sending, reacting or navigating. Gesture became the primary expressive medium.

ideate

prototype

Motion-Driven Validation

A broad set of emotions was explored and filtered based on relevance for digital communication. The focus was on emotions that are frequently misunderstood or difficult to express in chat.

Physical Interaction

Gestures such as shaking, holding or synchronized touch were filmed in real-world scenarios. The emphasis was placed on clarity of interaction and emotional readability.

prototyping in protopie

deliver

Romance

Romance is expressed through synchronized touch. When two users hold their finger on the screen simultaneously, their fingerprints merge and leave a shared trace inside the chat. Intimacy is created through coordinated action rather than symbolic imagery.

deliver

Anger

Anger is translated into kinetic disruption. By shaking the device, a message transforms into an angry bubble. The physical gesture releases tension and visually communicates emotional intensity.

Joy

Joy is expressed through intentional effort. Real-world objects are captured and transformed into collectible digital stickers that can be gifted. The emotional value lies in time and attention invested, not in instant reaction.

Sarcasm

Sarcasm is clarified through subtle transformation of the message bubble. A simple interaction alters its orientation or behavior to signal ironic intent, reducing the risk of misinterpretation.

Impact

Expressive Depth

The concept demonstrates how interaction design can extend emotional bandwidth in digital communication without expanding interface complexity.

chat bubbles

reflection

Key Learning

Emotion in digital systems becomes credible when it is embodied in behavior rather than decoration. Interaction carries meaning more effectively than additional visual elements.

Next Step

With further development, the system could be user-tested to evaluate emotional clarity and long-term usability. A scalable interaction framework could allow integration into existing messaging platforms.

product shot