Understanding CAPTCHA and Its Evolution

What is one of the main reasons CAPTCHA puzzles have become more complex over time?

• To make them more user-friendly

• To keep up with advancements in AI technology

• To reduce the cost of website maintenance

• To increase website traffic

How did early CAPTCHA systems typically challenge bots?

• By using color-based puzzles

• By requiring voice recognition

• By using complex mathematical problems

• By presenting slightly distorted words

Why are many image-based CAPTCHAs focused on street signs and traffic lights?

• To improve AI for self-driving cars

• To make puzzles more visually appealing

• To confuse bots with random images

• To reduce the time taken to solve them

What is a potential future method for CAPTCHA to identify human users?

• Using DNA samples

• Tracking in-browser behavior

• Implementing retina scans

• Requiring voice commands

What is a major concern with future CAPTCHA systems that track user behavior?

• Increased cost of implementation

• Potential privacy issues

• Longer time to solve puzzles

• Higher failure rates for humans