San Bruno, Calif.-TestMart.com, the online information and commerce marketplace for the $100 billion precision test equipment market, is partnering with Penton Media Inc.'s PlanetEE.com, a Web site serving the worldwide electronics industry. The deal will link PlanetEE users to TestMart products and information services. The agreement also calls for members of PlanetEE's so-called "smart communities" seeking design-critical information to obtain tools and relevant technical data. PlanetEE digitally distributes five magazines from Penton's electronics group, including Electronic Design
and Wireless Systems Design.