Providing an online marketplace for buyers and sellers of digital avatars, collectibles, and accessories

Downloadable virtual goods, namely, computer programs featuring avatars, digital assets and accessories for use in online virtual worlds

Educational services, namely, providing online, non-downloadable software featuring a self-administered interactive knowledge assessment review and evaluation through the use of practice problems, questions and answers, study guides, tests, explanations, lectures, and articles through an online self-administered interactive knowledge assessment, review and evaluation in the field of echocardiography

Sound absorbing materials not of metal, namely, acoustic insulation materials not of metal and acoustic insulating materials not of metal for use in luminaries and lighting fixtures

custom field programmable gate arrays and other digital logic circuit elements