Yoyodyne Announces Promotions Partners<Internet direct marketing company Yoyodyne (www.yoyobiz.com) announced partnerships with Sprint ís Internet service provider Sprint Internet Passport; Internet companies Infoseek, WhoWhere and iVillage; and technology merchant 3Com to co-sponsor its online shopping promotion EZSpree. Each sponsor has exclusivity in their category. Yoyodyne, Irvington, NY, launched EZSpree in October to spur buying on 225 participating sites and use of consumersí American Express cards online. Participating online retailers include direct marketers 1-800-Flowers and Omaha Steaks. According to Yoyodyne, more than 225,000 consumers will get exposure to online shopping as a result of the EZSpree promotion.