The surveyors are 54% women and 46% men. 52% are in their 20s and 30s and 48% are 40 and over. No matter the economic climate, San Francisco"s appetite for lively dining destinations continues unabated, inspiring ever bolder ventures. For every notable closing, there"s another restaurateur waiting in the wings, often joined by an expensive team of architects and designers, and ZAGAT is always there to note the changes.