35 Operating on-line marketplaces featuring software for efficient business operations, software for efficient customers management, technology design services, electronic security, surveillance, access control, fire safety systems and sensors, Wi-Fi and data networking, audio-visual and entertainment systems, building management systems, home automation systems comprised of computer hardware, wireless and wired controllers, and downloadable software for automating appliances, lighting, HVAC, security, air-conditioning control systems, lighting control systems, curtain control systems, and apps for control of devices