Jerry Yang, you're not helping the local economy. Silicon Valley unemployment reached 6.5 percent last month, up from 6.4 percent in July. It's the fourth month in a row that the number increased, reports Digital Daily. Hewlett-Packard recently announced it plans to cut 24,000 jobs, and an analyst said eBay needs to lose 1,500. But we're curious: Have any startups had layoffs? The snidely buoyant attitude of South of Market's bubble dwellers is unlikely to change until their friends start getting pink-slipped.