by the late 1970s supported thousands of terminals globally, introducing many concepts foundational to modern multi-user computing such as forums, instant messaging, and online testing. In terms of interface technologies, Donald Bitzer was instrumental in the 1960s development of both touchscreens and plasma displays. Furthermore, Doug Brown and David R. Woolley created Talkomatic in 1973 on the PLATO system, an early online chat system enabling real-time text communication among small groups.
In the realm of audio-visual technology, Joseph Tykociński-Tykociner publicly demonstrated for the first time a motion picture with a soundtrack optically recorded directly onto the film in 1922.
== Student life ==
=== Student body ===
As of spring 2018, the university had 45,813 students. As of 2015, over 10,000 students were international students, and of them 5,295 were Mainland Chinese. The university also recruits students from over 100 countries among its 32,878 undergraduate students and 10,245 graduate and professional …
