Benjamin Schrier writes in San Francisco magazine about the impact Asian-Indian immigrants have had on Silicon Valley, how the downturn and US immigration rules are affecting younger immigrant technology workers, and what this may mean for Silicon Valley’s long-term prospects. One of the men profiled in the article is the brother of a high-school friend, and I can relate to much of the article. I stayed with my first US employer for far longer than I would have if a work-visa were not a concern.