free things to do on your birthday in san francisco?
['Free slice at Pizza My Heart. ... ', 'Free burrito at Baja Fresh. ... ', 'Free mug at Benihana. ... ', "Free entree at Rubio's. ... ", "A free kid's meal at the Old Spaghetti Factory. ... ", 'A free slice of cake at SusieCakes. ... ', 'Free stack of pancakes at IHOP. ... ', 'Free CPKids meal at California Pizza Kitchen.']