In a study published in 2006, researchers at Carnegie Mellon University who rode 37 airline flights with a radio-frequency measuring device found emissions from cellphones that could interfere with global-positioning satellite systems.

WSJ: 'Turn Off All Electronic Devices:' And What Happens if You Don't

MessageLabs, the email-filtering company that Symantec acquired in 2008, posted a set of word maps today measuring the frequency of terms in spam emails from a random one-week sampling of junk mail pulled from the most prolific spam-spewing botnets.

FORBES: The Most Common Words In Spam Email

High resolution is achieved by measuring motion rather than radio frequency signals as wifi does, and is based on where and how the person moves through an environment over time.

BBC: Technology that works behind closed doors

We would all be better off if our leaders in government recognized that when we trade, we're exchanging products for products--money merely the measuring rod of value that increases the frequency of exchange.

FORBES: The sheer folly of currency devaluation.