microdots

It works because you've written your notes on special paper emblazoned with "microdots" -- or small dots, if you will -- that are recognized and recorded by a tiny camera near the tip of your Pulse pen.

Dave Burdick: Pulse Pen Review: Pen Stops Just Short Of Recording Your Thoughts Before You Think Them 2008

Perrigo reported to the FDA that 70 million caplets were passed through a metal detector; resulting in the discovery of approximately 200 caplets containing metal fragments ranging in size from "microdots" to portions of wire 8 mm in length.

Acetaminophen Tylenol Brand Substitute Found to Have Metal Pieces in Pills 2006

Perrigo reported to the FDA that 70 million caplets were passed through a metal detector; resulting in the discovery of approximately 200 caplets containing metal fragments ranging in size from "microdots" to portions of wire 8 mm in length.

Printing: Acetaminophen Tylenol Brand Substitute Found to Have Metal Pieces in Pills 2006

This included dead drops, coded communications, burying information in "microdots" on websites, known as steganography; 27-character Web passwords; and some tweaked laptops, courtesy of Moscow Center's tech mavens.

Yahoo! News: Top Stories 2010

"microdots" ( "the consciously experienced moments selected from the whole and arranged to present a point of view"), one that might have been more or less cohesive than my actual self but that at any rate was supposed to illuminate puzzling behavior and onerous symptoms - my behavior and my symptoms.

Integral Options Cafe 2010

In the mid-20th century microdots were the preferred form of steganography, and spy agencies' technical services departments vied to outdo their opponents in making the messages smaller and smaller.

Lessons Learned From Bond—James Bond Jeffery Deaver 2011

The tiny, almost invisible, microdots of secret film affixed to otherwise bland documents in the mid-20th-century heyday of espionage were a form of steganography.

Arrests of alleged spies draws attention to long obscure field of steganography 2010

The tiny, almost invisible, microdots of secret film affixed to otherwise bland documents in the mid-20th-century heyday of espionage were a form of steganography.

Arrests of alleged spies draws attention to long obscure field of steganography 2010

The metal microdots are spaced just enough to make microsparks, and thus microheat from those sparks.

Internet cell phone popcorn HOAX – secret revealed | TECHNOLOGY NEWS 2010

The tiny, almost invisible, microdots of secret film affixed to otherwise bland documents in the mid-20th-century heyday of espionage were a form of steganography.

Arrests of alleged spies draws attention to long obscure field of steganography 2010