Has Silicon Valley lost its monopoly over global tech?

SILICON VALLEY feels like a college reunion these days. As covid-19 restrictions are lifted across America, tech-bros (and the occasional tech-gal) who have not met in person in ages are high-fiving each other all over the place. Firms from Alphabet to Zynga are urging workers back to the office. Venture capitalists are flocking back from second homes by Lake Tahoe or ranches in Wyoming. Foreigners, who during the pandemic became a rarer…