The document provides information about the inventors of various technologies and when they were invented. It describes that Joseph Woodland and Bernard Silver invented bar codes on October 7, 1952. Larry Page and Sergey Brin invented Google in 1999. Mark Zuckerberg invented Facebook on February 4, 2004 as a computer science student. John Mullin created the first early VTR (video tape recorder) in 1956. Gunpei Yokoi invented Nintendo in 1968 and was born in 1941, dying in 1997.