plus, author po bronson ponders cheating. our reporters from central china television mark nu.s. this week on "press: here." good morning, everyone. i'm scott mcgrew. the organization joint venture silicon valley. in alliance of business and government changed the definition of silicon valley to include san francisco. a place that is not in any way, shape or form a valley. the change was made to acknowledge that san francisco, not the sunny south bay, is the new center of tech. now certainly the san jose area still has apple, the world's most valuable company, as well as google. >> talk about that facebook phone. >> peninsula has facebook. but the new hot start-ups, twitter, yelp, sales force, were all drawn to san francisco. several because of the city's community benefit agreement or cba. a contract whereby the city agrees to drop some taxes in exchange for economic benefits. in the case of start-up zen, the company agreed to locate in the downtrodden tenderloin. and support local jobs. in this case, a accident desk luncheon catered by a charity which trains and employs forme