Many immigrant tech workers are employed under the controversial H-1B visa — intended for specialty occupations — which has become a flashpoint in the U.S. cage fight over immigration, with opponents claiming it lets foreigners steal American jobs. Several companies and UC San Francisco have been accused of abusing the visa program by using it as a tool to outsource Americans’ jobs to workers from far-away lands.

via H-1B: Immigrants Make Up Nearly Three-quarters of Silicon Valley Tech Workforce, Report says