By  on November 14, 2007


NuMetrex sports bras and shirts knit a heart-rate monitor right into their stretchy fabric. A transmitter snaps into a tiny pocket and sends data to a watch or exercise machine. The flexible textile sensors are more comfortable to wear than hard plastic electrodes. The clothing starts at about $50 and works with almost any brand of watch or machine, including Nike, Reebok and New Balance.


Just in time for the holidays comes a new version of the Zune music player, which can be customized for free with artwork from 18 artists, tattoo designs or your own words. Microsoft has also created Zune Social, an online site whose members can share music and link to each other's profiles. Zune ranges from $150 for a 4 GB slim version to $250 for a big one with 80 GB of storage.


If you buy one of these unusual children's laptops for $399 by Nov. 26, the One Laptop Per Child foundation will send an identical one to a child in a developing country. Designed to promote learning and sharing, the durable, energy efficient XO laptop automatically networks with other XO laptops even in areas lacking a communications infrastructure. Its interface is called Sugar, and it runs on the Linux open-source operating system.

A button on the keyboard lets kids see the programming behind some applications. In the Neighborhood application, a child can see all the connected laptops in his or her area. Part of the price is tax deductible. Available at

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