Uber has made a big impact already.<p><a href="http:&#x2F;&#x2F;dailysignal.com&#x2F;2015&#x2F;08&#x2F;20&#x2F;drunk-driving-is-down-in-california-thanks-to-uber&#x2F;" rel="nofollow">http:&#x2F;&#x2F;dailysignal.com&#x2F;2015&#x2F;08&#x2F;20&#x2F;drunk-driving-is-down-in-c...</a>