Per Uber policy; Uber drivers can ask for tips now, but at their own discretion, more info in the Uber webpage found on this link:
What do you guys think? Is it wrong ? Is it begging?Is it morally unacceptable?
uber now has new policy on tipping! Official on Uber.com Help.
There should be no reason a driver should not be able to put up signs, send texts, pass this info to passengers, or put tip jars in cars. This official stance will protect you from Uber firing you for doing these things. A good...