SAN FRANCISCO — A certain feeling is back in San Francisco. Murmurings of stock market riches. Twenty-something entrepreneurs as celebrities. Lamborghinis parked next to taco trucks.
Driven by social media and mobile startups, the money is flowing in the city’s tech industry again, a decade after the dot-com boom minted overnight millionaires and its crash fueled a local recession worse than anything San Francisco has seen in the latest downturn.