Many CAPTCHAs are positively pathetic. Adding little bits of salt-and-pepper noise, light-colored lines, and other cutesy antics do nothing. The simple fact i

Many CAPTCHAs are positively pathetic. Adding little bits of salt-and-pepper noise, light-colored lines, and other cutesy antics do nothing. The simple fact is that machines are better at recognizing individual letters and characters than humans are.