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Last night when I was testing Dzi Beads, I had to scan a target continuously for about ten minutes to get the complete memory file.

This process is placed in intelligence work and is called precise intelligence collection - it is very efficient and practical when used on key targets that have been locked.

But the problem is, he doesn’t even have a goal now.

You can’t just sweep people across the street and squat for ten minutes each.Pengcheng has a permanent population of more than 10 million. Even if he wipes out his own skin, he still can't wipe out a village in the city.

You have to change your thinking.

Gu Chengan sat back at the table, closed his eyes, and reviewed the work process of Dzi Bead last night in his mind.

Start → lock a single target → continue scanning → gradually release information from shallow to deep.

The first thing to come out is the basic information - name, age, ID number, mobile phone number, and occupation.

What comes out later is the deep content - personality portraits, social relationships, and core memory fragments.

The previous basic information is actually completed in two or three seconds.What really takes time is the deep memory retrieval later.

What if you only need the first few items?

Gu Chengan gave the Dzi Bead a new instruction in his mind: "Simplified scanning mode, which only reads the target's name, ID number, mobile phone number and current occupation, without extracting other memories. It can detect everyone within the range."

There was no reaction on the neck.

No vibration, no prompt, nothing.

Gu Chengan waited for a few seconds, and then waited for a few more seconds.

Still not.

He touched the Dzi beads hanging around his neck. The surface temperature was normal, neither hot nor cold.It is no different from an ordinary stone.

"Did you receive it?"

No response.

This thing is not like a system, there is a panel for interaction.Dzi Beads are more like a pure hardware device. You give a command and whether it receives it depends on the result.

Gu Chengan didn’t hesitate.The method of verification is very simple - just find a bunch of people and try it.

He picked up the yellow helmet on the bedside table, changed into yellow takeout clothes, took the car keys, and went out.

My little electric donkey is parked at the alley downstairs.Gu Chengan stepped up, inserted the key and turned it. He looked at the display panel and saw that it was still fully charged!

Open the takeout app and look around at the nearby orders.

He traced his gaze on the map and stopped at a location - Pengcheng North Station.

The high-speed rail station has a large flow of people and is densely packed with people from all over the country.

​ Best for testing batch scans.

He specifically selected an order that ended near a high-speed rail station.A portion of hot and sour noodles with two braised eggs was delivered to the Express Hotel next to the East Square of North Station.

开干，骑车穿过三条巷子汇入主干道，一路往北。

When we arrived at the North Station area, the flow of people became denser visibly.There are all kinds of people dragging suitcases, carrying large bags, and holding up mobile phones to find the way.

Gu Chengan delivered the meal to the front desk of the hotel, took a photo to confirm, and ordered it to be delivered.

Then he left in no hurry.

Parked the electric car in the non-motor vehicle parking area outside the east square, took off the helmet and put it in the crook of his arm, and walked into the square.

He controls the pace, neither fast nor slow, just like ordinary passers-by.He walked to the corridor outside the waiting hall, found a pillar to lean against, and took out his mobile phone and pretended to read the news.

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