After days of speculation, it’s official. The president touched down in the South Bay in time for a midday luncheon in the Palo Alto foothills.

The titans of Silicon Valley need some personal public relation advisors. Marissa Mayer, Tim Cook, Meg Whitman, Scott McNealy and many others fail to grasp the most basic PR concepts. They don’t have to look far for good role models. David Packard, Bill Hewlett, Steve Jobs and Gordon Moore were masters at molding their public image.