The 7th annual E-Learn world conference on e-learning in corporate, government, healthcare, and higher education organized by the Association for the Advancement of Computing in Education (AACE) includes more than 600 papers. Papers from this proceedings come from contributors representing more than 50 countries, sharing their perspectives and experiences with electronic learning in elementary, secondary, and postsecondary education. Topics include: military training; course Web site creation; instructional design; new trends in health care and medicine; information and knowledge dissemination; knowledge management; learning repositories; instructional innovation and activities design; cognitive style; virtual communities; issues in e-government; success in distance education; computer system design; the Internet-connected classroom; teachers' and facilitators' roles; computer software development; professional development; distance education quality; usability tests and use studies; ethical issues; standards; student evaluation; collaboration; evaluation frameworks; theory and practice; instructional strategies; teleconferencing; search strategies; virtual reality; instructional effectiveness; instructional material design; computer simulation; gender equity; digital libraries; instruction for individuals with disabilities; technology integration; multimedia materials; and information skills development. (AEF)