SF Chinatown struggles with low broadband penetration
Kai Tsui, 69, walks to the Chinatown Him Mark Lai Library in San Francisco every day to use the WiFi, as he has no internet in his home, a nearby single room occupancy unit. Gabrielle Lurie/The Chronicle Every day, Kai Tsui, 69, walks three blocks from his home, a Chinatown single-room-occupancy hotel, to the Mark Him …