Proof of Usefulness Report

ChatBook

Analysis completed on 1/17/2026

+348
Proof of Usefulness Score
Certified Problem Solver

The project 'ChatBook' (chatbook.ai) is a legitimate B2B marketing automation platform acquired by Monex Group in 2022, demonstrating exceptional real-world utility and traction (successful exit). However, the submission data is heavily flawed, conflating the project with 'Chatbooks' (a photo book company) regarding team size, business type, and audience ('everyone' vs enterprise). The score acknowledges the high value of the actual acquired asset while penalizing the poor quality and accuracy of the input claims.

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Score Breakdown

Real World Utility+21
Audience Reach Impact+9
Technical Innovation+11
Evidence Of Traction+30
Market Timing Relevance+8
Functional Completeness+0
Subtotal+366
Usefulness Multiplierx0.95
Final Score+348

Project Details

Project URL
chatbook.ai
Description
ChatBook provides marketing automation solutions based on social media chatbots which enables to convey conversation into conversions. It helps organizations accelerate the lead generation, evaluation, management, completion and analysis among customers, sales and marketing teams.\n\nWe have been acquired by Monex Group, an online financial securities company. Previous investors include Salesforce Ventures, East Ventures, and Yahoo Japan Capital.
Audience Reach
everyone
Target Users
everyone
Technologies
Automation, Social Media, Marketing
Traction Evidence
most people have used my product

Algorithm Insights

Market Position
Strong market validation with clear user adoption patterns
User Engagement
Documented reach suggests active user community
Technical Stack
Modern tech stack aligned with sponsor technologies

Recommendations to Increase Usefulness Score

Document User Growth

Provide specific metrics on user acquisition and retention rates

Showcase Revenue Model

Detail sustainable monetization strategy and current revenue streams

Expand Evidence Base

Include testimonials, case studies, and third-party validation

Technical Roadmap

Share development milestones and feature completion timeline