. >>> businesses like oobre, lift and wings are getting bigger every day but could be facing a pileup of regulation, including being banned from taking riders to and from san francisco's airport. the california state legislature took up two bills today aimed at making the businesses safer and that includes requiring that the cars are higher to drive passengers that meet all state safety standards and carry commercial insurance coverage for the entire time the drivers have the app turned on, not only when they have paying passengers on board. >>> services like oober are shaking up the traditional business model like limousine companies and today, cnbc that produces this program unveiled its disruptor 50 list of the most innovative, private companies that are transforming business and taking on long established industry giants. julia boorstin looks at the biggest disruptors of all. >> reporter: from spending you to space to incurable disease, the disruptor 50 are ambitious companies taking on the public giant. here with the winners, two of the top three are shaking up retail. in the thi

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