"I'm exhausted..."
Yuki put down the smartphone.
"What's wrong?" Aoi asked.
"I was looking at social media, and there's so much information my head hurts."
Riku laughed. "I know that feeling. Happens to me too."
Aoi opened the notebook. "Information overload. A major modern problem."
"How is it explained in information theory?"
"Attention as a finite resource versus nearly infinite information sources. This mismatch creates the problem."
Mira quietly showed a note. "Attention = limited channel capacity"
"Yes. Attention is limited channel capacity. But modern times overflow with information."
Yuki thought. "Then what should we do?"
"Filtering. Separate signal from noise."
"But what's signal and what's noise?"
Aoi answered, "It's context-dependent. Your purpose, interests, needs. It varies based on those."
Riku gave an example. "Signal for me might be noise for Yuki?"
"Exactly. That's why general filters are difficult. Personalization is needed."
Mira wrote an additional equation. "SNR = Signal/Noise"
"Signal-to-noise ratio. The higher it is, the more efficiently you obtain useful information."
Yuki took notes. "To increase SNR?"
"Increase signal or reduce noise. Or both."
Aoi drew a diagram on the whiteboard.
"Curate information sources. Follow only trustworthy, highly relevant sources. This is how to increase signal."
"To reduce noise?"
"Turn off unnecessary notifications. Block irrelevant content. Set time limits."
Riku asked seriously, "But if you filter too much, don't you miss important things?"
"Good point. That's the filter dilemma. Too strict and you lose beneficial information too."
Mira added a note. "False positives vs false negatives"
"False positives and false negatives. The tradeoff of filter accuracy."
Yuki understood. "We can't make a perfect filter?"
"We can't. There are always errors. That's why appropriate settings are important."
Aoi provided another perspective. "Also, from an entropy viewpoint, completely filtered information is low entropy. Predictable, with no surprise."
"Surprise is also needed?"
"To some extent. Serendipity. Accidental discovery. That's also information's value."
Riku laughed. "So having a bit of noise is more interesting?"
"You could say that. Perfectly organized information is boring."
Mira drew a new diagram. A graph showing the optimal point.
"Balance between information volume and processing capacity. Too much or too little is bad."
Yuki took a deep breath. "So we always have to maintain balance."
"Yes. A skill for information society. Selection, prioritization, attention allocation."
"Sounds tiring..."
"That's why breaks are important too," Aoi smiled. "Time away from information. Refresh the brain."
Riku suggested, "Then how about we turn off phones now and focus only on club activities?"
"Good suggestion."
Yuki put away the smartphone. "True, when I focus just on this moment, it becomes easier."
"That's concentrating bandwidth on one channel. Efficient."
Mira smiled and left a final note. "Less information, more understanding"
Less information, more understanding.
Yuki read it and nodded deeply. Precisely because it's an information-overloaded era, intentionally reducing information. That might be the way to see what's truly important.
"Today, just the information in this room is enough," Yuki said.
The three nodded. Four people in a small space. But there's sufficient information there. High SNR, valuable information.