Big tech asked to pay their 'fair share' in taxes to help San Francisco's homeless

The tech-driven city struggles with how to pay for the dark side of the tech boom - a boon for some, a bust for others

In the 50s and 60s, San Francisco was known as the home of beat poets and hippies. Now, San Francisco is defined by hi-tech firms and the people who work there. Freaks have been replaced by geeks.

But this transition has been messier than most. The tech boom has generated thousands of high-paying jobs and vast amounts of wealth. It's also contributed to a spike in housing costs, a steady rise in evictions, a seismic shift in the identity of neighborhoods and an ever-widening gap between the city's richest citizens and its poorest.