London--Penton Business Media Ltd., a Penton Media company, plans to launch a magazine, exhibition and Web portal for the European wireless Internet/mobile commerce marketplace. M-Commerce World, a monthly magazine covering Europe's wireless Internet and mobile commerce market, will debut in October. M-Commerce World 2001, an exhibition, will be held Feb. 6-8, 2001, in London. M-Commerce World will run alongside Penton's ISPCON Europe 2001. Penton's portal in this market, m-CommerceSource.com, will launch in October.