Design and development of software for instant messaging; Design and development of software in the field of mobile applications; Design and development of virtual reality software; Design and development of wireless computer networks; Designing computer software for controlling self-service terminals; Developing computer software; Networking of home controls, namely, wireless and wired lighting controls, thermostat and heating controls, rolling shutters and door controls, appliance controls, namely, oven, washer, dryer, refrigerator, dishwasher, lawn and garden irrigation controls, home audio and video controls; Product design and development in the field of lighting apparatus; Services for updating computer software; Smartphone software design; Software design and development; Updating of home pages for computer networks; Updating of smartphone software; Updating of software for data processing; Upgrading of computer software; Web site design; Website development for others; Writing and updating computer software; Writing of data processing programs