News Summary: Silicon Valley isn't sharing misery
WALL STREET MISERY: The stock prices of Facebook and its playful sidekick, Zynga, have plunged in the past six months.
THE OPTIMISM: The mood is still good in Silicon Valley. People there tend to focus more on long-term prospects than short-term performance.
THE EVIDENCE: Entrepreneurs are still raising millions of dollars. Apartment rents in San Francisco are high, as are salaries for software engineers.