16 Printed matter, namely, instructional, educational and teaching materials in the fields of computers, computer software, computer networks, computer networking peripherals, telecommunication goods and services, data communications and related technologies; brochures in the fields of computers, computer software, computer networks, computer networking peripherals, telecommunication goods and services, data communications and related technologies; labels; stickers; and printed quick reference guides, installation guides, troubleshooting guides, all in the fields computer, computer software, computer networks, computer networking peripherals, telecommunication goods and services, data communications and related technologies