Also, have your friends get a muni pass. I can't remember how much they are, but they will give you unlimited access to cable cars, trolley cars, buses, and muni throughout the city.
Check out this link for helpful information, as well... http://www.transitinfo.org/muni

Weekly Pass (+ $1 per cable car ride) $ 9.00
1-Day Pass or Passport 6.00
3-Day Passport 10.00
7-Day Passport 15.00


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Bob
[This message has been edited by AZ_MISMAN (edited 05-22-2001).]