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A nibble (or less commonly, nybble) is the computing term for a four-bit aggregation[1], or half an octet (an octet being an 8-bit byte). As a nibble contains 4 bits, there are sixteen (24) possible values, so a nibble corresponds to a single hexadecimal digit (thus, it is often referred to as a "hex digit" or "hexit"). A full byte is represented by two hexadecimal digits; therefore, it is common to display a byte of information as two nibbles. The nibble is often called a "semioctet" or a "quartet" in a networking or telecommunication context.

Investigative

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	IP trace This is a visual trace route for an IP address, which overlays onto a really nice map.
	Intellius is a affordable program, which can provide some great information.

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Security

China to block “unhealthy” websites during Olympics
Microsoft's new product goes against crime: Meet (Hot) COFEE
Cyber crimes have evolved from hackers fighting against the views of government to sophisticated identity theft, breaking into banks and various criminal activities. So far, local police organizations have been losing a lot of time to recover data from such machines, and they need all the help they can get. Now Microsoft is joining the fight.
McAfee raises Trojan alert for the first time since 2005
It is a rare thing when an anti-virus company raises an alert about a widespread trojan virus. However, that is exactly the case with the new trojan named Downloader-UA.h, with a million infections stopped by McAffee alone. This trojan is spreading through file-sharing networks, so caution is advised.
As many as 1000 laptops missing from State Department
Several hundred to possibly a thousand laptops are missing from the United States State Department, according to an internal audit. Many of the laptops likely contain classified information and as many as 400 computers belonged to the Anti-Terrorism Assistance Program which provides counterterrorism training to other nations.

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Computer History

Saturday, May 10, 2008
Swedish company Ericsson initiates the Bluetooth Technology movement in 1994. Bluetooth is a wireless radio standard designed for low power, short-wave device communication. In February 1998, five major companies found the Bluetooth Special Interest Group (SIG). Today, many devices such as cell phones, PDAs, computers, and hands-free devices include integrated BlueTooth technology.