People have been interacting with computers for well over 50 years. In the early 1950s researchers from Stanford Research Lab, Xerox PARC and MIT paved the waved the way for what would be a burgeoning ecosystem of pointing devices. The original mouse, created by Douglas Engelbart, was to be an inexpensive alternative to the light [...]

Day and night, the streets of Korea are generally fairly busy. Especially, in the streets of the Gangnam district in southern Seoul, which are filled with shops, cafés and restaurants. Along the sidewalk of the road, there are twenty one vertical metal poles that are 12 meters tall with video screens all the way to [...]