generate questions: Information had been kept on digital tape for five years, with Kahle occasionally allowing researchers and scientists to tap into the clunky database. When the archive reached its fifth anniversary, it was unveiled and opened to the public in a ceremony at the University of California, Berkeley.
What medium was originally used to keep Internet Archive's data? {sep_token} Who were sometimes permitted to use the Archive's database? {sep_token} At what milestone was the archive made public? {sep_token} Where was the event launching the publicly-available archive held?