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ROI Detective Agency
ROI Case Files
A growing archive of investigations, improvements, and outcomes.
Case Files
Classified Files
Latest Reports
12
May 19, 2026
EN
ROI Case File No.509 'A Double-Booking Near-Miss in Demo Reservations'
RICE
Systemization
Operational Efficiency
May 18, 2026
EN
ROI Case File No.508 'The Assembly Workers Who Walked to the Tablet'
RFM
Quality Management
Productivity Improvement
May 17, 2026
EN
ROI Case File No.507 'The Factory Whose Other-Brand Machines Wouldn't Share Data'
MVP
DX Promotion
Factory Management
May 16, 2026
EN
ROI Case File No.506 'The Night the Booking Site Phones Kept Ringing'
PPM
Customer Experience
Inquiry Handling
May 15, 2026
EN
ROI Case File No.505 'Why the AI Training Heat Never Reached the Work'
LOGIC
Operational Efficiency
Education
May 14, 2026
EN
ROI Case File No.504 'Why Wedding Inventory Was Locked on Paper'
PEST
Inventory Management
Efficiency
May 13, 2026
EN
ROI Case File No.503 'Who Was Fixing the Misaligned Columns in the PDFs?'
5F
Design Operations
Operational Efficiency
May 12, 2026
EN
ROI Case File No.502 'The Twenty-Year-Old Optical Sensor That Missed the Breakage'
JOURNEY
Production Efficiency
Sensor Technology
May 11, 2026
EN
ROI Case File No.501 'The Factory Where Stopped Machines Were Invisible'
ROI
Productivity Improvement
DX
May 10, 2026
EN
ROI Case File No.500 'The Design Document Only One Person Can Read'
PDCA
Reverse Engineering
Personal Dependency Resolution
May 09, 2026
EN
ROI Case File No.499 'The Contract You Were Looking For, in Thirty Seconds'
LEAN
Document Management
Operational Efficiency
May 08, 2026
EN
ROI Case File No.498 'Don't Leak, Make Them Use'
OKR
Generative AI
Information Security
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CASE FILES