ACM, the First Society in Computing, is a major force in advancing the skills and knowledge of IT professionals and students throughout the world. ACM serves as an umbrella organization offering its 90,000 members a variety of forums in order to fulfill its members’ needs — the delivery of cutting-edge technical information, the transfer of ideas from theory to practice, and opportunities for information exchange. Providing high quality products and services — world-class journals and magazines; dynamic special interest groups; numerous “main event” conferences; tutorials; workshops; local special interest groups and chapters; and electronic forums — ACM is the resource for lifelong learning in the rapidly changing IT field.