42 Research, development, design and consulting services related to electrical and electronic equipment, computers, handheld computers, telephones, mobile telephones, communication devices, wireless information devices, computer software programs, operating system programs, utility programs, application programs, computer software for the design, development, modeling, simulation, compiling, de-bugging, verification, construction, interfacing of electrical and electronic equipment and computers; technical support services, namely, troubleshooting of computer hardware and software problems via phone, e-mail, on the Internet and in person; maintenance of computer software