Handheld mobile digital electronic devices comprising a full featured tablet computer, electronic book reader, digital audio and video player, electronic personal organizer, personal digital assistant, electronic calendar, and global positioning system (GPS) device, and capable of providing access to the Internet and sending, receiving, and storing messages and other data, with a special and unique focus on commerce by and related to children and their parents, including preloaded access to children's publications and sites and news and information feeds related to children's issues and unique filters related to children's content on the Internet, and parts and fittings therefor; dedicated home computer screen for receipt and sending of messages and content related to children's issues, and parts and fittings therefor; user manuals in electronically readable, machine readable or computer readable form for use with, and sold as a unit with, the aforementioned goods; computer software and firmware, namely, operating system programs, data synchronization programs, and application development tool programs for personal and handheld computers; pre-recorded computer programs for personal information management; database management software in the field of children's issues, optical character recognition software, telephony management software, electronic mail and messaging software, paging software, mobile telephone software to enable the transmission of data to mobile telephones; database synchronization software, computer programs for accessing, browsing and searching online databases; cameras, videophones, and parts and fittings therefor; solid state memory apparatus, namely, computer memories; computer game programs and electronic game programs; electronic testing apparatus, and parts and fittings therefor for testing the functionality of, mobile digital electronic devices comprising a full featured tablet computer, electronic book reader, digital audio and video player, electronic personal organizer, personal digital assistant, electronic calendar, and global positioning system (GPS) device, and capable of providing access to the Internet and sending, receiving, and storing messages and other data; user manuals in electronically readable, machine readable or computer readable form for use with, and sold as a unit with, all the aforementioned goods; pre-recorded audio video discs featuring audio, audiovisual, musical, multimedia and video works in the field of children's issues; batteries; rechargeable electric batteries; battery chargers, and parts and fittings therefor; chargers for electric batteries, and parts and fittings therefor; headphones, and parts and fittings therefor; stereo headphones, and parts and fittings therefor; in-ear headphones; stereo audio speakers; audio speakers; audio speakers for home, and parts and fittings therefor; digital music and video players, and parts and fittings therefor; radios, and parts and fittings therefor; video cameras, and parts and fittings therefor; audio, video, and digital sound mixers, and parts and fittings therefor; radio transmitters, and parts and fittings therefor; bags and cases special adapted to contain tablet computer devices; bags and cases specially adapted to contain MP3 players, hand held computers, tablet computers, personal digital assistants, global positioning system (GPS) devices, electronic organizers and electronic notepads