Richard Hart walks into frame to introduce a segment of The Next Step focused on "future tv." Hart continues commenting over fast montage of video on computer screen. In a vendor booth at Macworld Expo personal-computing convention, someone is demonstrating a live, multichannel video mixing application that runs on a Macintosh personal computer. A desaturated montage plays of scenes from the convention featuring video controllers, computer screens displaying multimedia, and people interacting and examining the displays. The montage transitions to color and continues while Hart speaks about developments in multimedia technologies. On screen, Hart holds a camcorder and reveals a device for translating digital signals on a personal computer from various analog input and output video sources. technologist Flloyd Wray describes the coming innovations that will allow home users to create boradcast video. At another booth a vendor representative pitches the DigitalFilm desktop video product as "everything you need in a box" but Hart goes on to add up the actual required hardware and software while graphic cards itemize the total on screen. More footage of convention while Hart describes the transition away from tape needed to bring the broadcast industry along for the desktop video revolution. Hart stands in front of a wall of monitors. Scenes continue at the DigitalFilm and SuperMac booths. Clip ends with sequence of convention footage, over-the-sholder shot of video mixing workstation, and a camcorder.