Café owners putting the smackdown on Wi-Fi freeloaders

There aren’t many cities that are as connected as San Francisco. The tech-savvy young people who make up an increasing share of this city’s burgeoning population are seemingly never without their smartphones and laptops.And that can be a problem for café owners like Chris Hillyard.Chris Hillyard Chris Hillyard at Farley’s East in Uptown Oakland.“We had people who would come in and sit with their laptops all day and just order a cup of coffee,” says Hillyard,