Google Acquires Carnegie Mellon's anti-fraud tool
PITTSBURGH — 9.17.09 //Google has acquired a Carnegie Mellon University spin-off that seeks to cut down on spam and fraud at Web sites while digitizing books.
ReCAPTCHA offers simple word puzzles that users must solve when registering at a Web site or completing an online purchase.
Computers can't decipher the twisted letters and numbers, ensuring that real people and not automated programs are at the keyboard.
