In the week before Microsoft publicly announced plans to cut 10,000 jobs, thousands of workers at the tech giant who were eager for any information about the looming layoffs joined a professional networking site — not LinkedIn, which Microsoft owns, but Blind.In the week before Microsoft publicly announced plans to cut 10,000 jobs, thousands of workers at the tech giant who were eager for any information about the looming layoffs joined a professional networking site — not LinkedIn, which Microsoft owns, but Blind.