SAN FRANCISCO (KGO) -- Upset Uber drivers say they'll stage a three-day work stoppage and protest in front of company offices starting Friday.The drivers are demanding Uber hike rates by 60 percent, add a tip option and raise fares.They're calling the action a strike, although technically, only employees of a company can stage one.Uber considers them independent contractors.An upset driver who asked not to be identified says they want to be compensated equitably.