The emergence of electronic forms of communication has all but eliminated the need for handwritten notes, but for one reason or another it is still necessary to resort to old-school scribble to keep a record of important information. More often than not,...

Google has worked out a way to perform OCR (Optical Character Recognition) on any scanned documents that are stored in Adobe's PDF format.

The OCR technology allows for the picture of text (as you get with a scan) to be converted into words...

We've all had to use one. They're the spam filters that make you type a distorted word to prove you are human and not a spam-bot.

What you don't know is that with Carnegie Mellon's "reCAPTCHA" version you are actually helping to decipher,...