https://phys.org/news/2018-10-tech-giants-corporate-tax-homeless.html

Designed to rake in $250 to $300 million in taxes per year, the Robin Hood-esque measure would fund housing for 5,000 people and finance mental health and housing aid services, its backers say.

Generally, San Francisco's tech bosses—including Twitter's Jack Dorsey and Patrick Collison of payment start-up Stripe—have resisted the proposal.