Topics

  • AI Agents (2)
  • AI Tools (9)
  • AutoHotkey (8)
  • Automation (3)
  • Automation Basics (2)
  • Build Your Own LLM (13)
  • Charts & Dashboards (17)
  • Cloud & Servers (3)
  • Deep Learning (2)
  • Dev Tools (6)
  • Essbase (3)
  • Excel (28)
  • Excel for Finance (23)
  • Excel Formulas (40)
  • Excel Functions A–Z (525)
  • Excel VBA (24)
  • Formula Combos (34)
  • Fun Facts (9)
  • Google Workspace (9)
  • History (3)
  • Internet & Browser (3)
  • Java (10)
  • JavaScript (10)
  • LLMs (7)
  • Machine Learning (13)
  • Office Scripts (7)
  • Oracle EPM Cloud (1)
  • Oracle Smart View (9)
  • Outlook (20)
  • Phone (3)
  • Power Automate (19)
  • Power BI & DAX (23)
  • Power Query & Pivots (22)
  • PowerPoint (19)
  • PowerShell (8)
  • Prompt Engineering (10)
  • Python (27)
  • Python Automation (4)
  • R (8)
  • RAG & Agents (2)
  • Rust (7)
  • SAP (15)
  • SAP GUI Scripting (8)
  • Science (3)
  • Security & Privacy (4)
  • SQL (27)
  • Tally & Busy (14)
  • Tech Tips (2)
  • Windows (4)
  • Word (22)
  • Work Smarter (4)

Recent posts

  • IMSEC Function in Excel: Secant of a Complex Number
  • Automatic Serial Numbers in Excel That Survive Filtering, Deleting and Blanks
  • Oracle Smart View for Beginners: Ad Hoc Analysis in Excel
  • ISOMITTED Function in Excel: Was an Optional Argument Left Out?
  • IMABS Function in Excel: Size (Modulus) of a Complex Number
  • Smart View Functions: Build Cell-Based Reports with HsGetValue

AJ's Techie & Wacky World

Excel, SAP, Oracle & automation tips — plus wacky facts

Skip to content
  • ✨ AI Helper
  • 🎓 Courses
  • Productivity
    • Charts & Dashboards
    • Excel for Finance
    • Excel Formulas
    • Excel Functions A–Z
    • Excel VBA
    • Formula Combos
    • Power BI & DAX
    • Power Query & Pivots
    • Google Workspace
    • Outlook
    • PowerPoint
    • Word
  • Coding
    • Cloud & Servers
    • Dev Tools
    • Java
    • JavaScript
    • PowerShell
    • Python
    • R
    • Rust
    • SQL
  • Automation
    • AutoHotkey
    • Automation Basics
    • Office Scripts
    • Power Automate
    • Python Automation
    • SAP GUI Scripting
  • AI & ML
    • AI Agents
    • AI Tools
    • Build Your Own LLM
    • Deep Learning
    • LLMs
    • Machine Learning
    • Prompt Engineering
    • RAG & Agents
  • ERP
    • Essbase
    • Oracle EPM Cloud
    • Oracle Smart View
    • SAP
    • Tally & Busy
  • Tech Tips
    • Internet & Browser
    • Phone
    • Security & Privacy
    • Windows
    • Work Smarter
  • Wacky World
    • Fun Facts
    • History
    • Science
    • All Wacky Facts
  • Tools
    • Formula Lab
    • VBA Playground
    • Macro Recorder
    • VBA Challenges
    • SQL Playground
    • Shortcut Trainer
    • Date & Workday Calculator
    • EMI & SIP Calculator
    • Regex Tester
  • About
    • Projects
    • Contact

CAPTCHA tests have helped digitise books

Wacky WorldInternet

reCAPTCHA showed people words from scanned old books and newspapers that computers could not read, so every solved test helped digitise text.

Share on WhatsAppSource: en.wikipedia.org

Another wacky fact → All facts

Advertisement
30 May 2025 by

Post navigation

← Lake Baikal holds about a fifth of the world’s unfrozen fresh surface water.
Bones are stronger than steel of the same weight. →
Proudly powered by WordPress | Theme: fiore by Caroline Moore.
© 2026 Atul Vij · AJ’s Techie & Wacky World
AboutProjectsFree ToolsContactPrivacyDisclaimerGitHub
Did you know?

Why? →