Central processing units for processing information, data, sound or images; Computer chipset for use in transmitting data to and from a central processing unit; Computer chipsets for use in digital subscriber line (DSL) data transmission systems; Computer software platforms, downloadable, for application development, web hosting and database management; Downloadable application programming interface (API) software; Downloadable computer software platforms for application development, web hosting and database management; Downloadable computer software that assists computers in deploying parallel applications and performing parallel computations; Downloadable computer software, namely, software development tools for the creation of mobile internet applications and client interfaces; Downloadable mobile applications for downloading and reading electronic publications on portable electronic devices; Downloadable mobile applications for identifying persons with possible exposure related to a carrier of an infectious disease and public health outbreaks to facilitate contact tracing; Downloadable mobile applications for monitoring persons with possible exposure to a carrier of an infectious disease and public health outbreaks to facilitate contact tracing; Downloadable mobile applications for notifying persons of possible exposure to a carrier of an infectious disease and public health outbreaks to facilitate contact tracing; Downloadable mobile applications for managing bank accounts, editing photos and making restaurant reservations; Virtual reality glasses; Wireless communication device featuring voice, data and image transmission including voice, text and picture messaging, a video and still image camera, also functional to purchase music, games, video and software applications over the air for downloading to the device