
Extract the answer to the question from the following context.
Question: For the city of Los Angeles, what card is used as an electronic ticketing payment method for public transport?
Context: 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.

tap
