Video manipulation have been instances when this technology was used during political campaigns. The proof-of-principle software "Face2Face" was developed at Stanford University. Such advanced video manipulation must be ranked alongside and beyond previous examples of deep fakes. The concept of manipulating video can be traced back as far as the 1950s, when the 2 inch Quadruplex tape used in videotape recorders would be manually cut and spliced. After being coated with ferrofluid, the two ends of tape that were to be joined were painted with a mixture of iron filings and carbon tetrachloride, a toxic and carcinogenic compound to make the tracks
Sunset Sound Recorders 200 Gold records have been recorded at Sunset Sound, including Prince's "Purple Rain", the Rolling Stones' "Exile on Main St.", the Beach Boys' "Pet Sounds", Linda Ronstadt's "Don't Cry Now", part of Guns N' Roses' "Chinese Democracy", Janis Joplin's posthumously-released "Pearl", and hit albums for Elton John, Led Zeppelin and Van Halen. In addition, the Doors recorded their first two albums, "The Doors" and "Strange Days", at the studio. In 1981, Sunset Sound Recorders owner Camarata purchased The Sound Factory, another Los Angeles recording studio founded by Moonglow Records and later purchased and developed by David Hassinger. The two studios