River Cruise Agents to compete for spots on U by Uniworld preview cruise By Michelle Baran / July 06, 2017 Share 1 -- Uniworld is inviting agents to enter a Facebook contest to win a spot on a "sneak peek" sailing of the company's new river cruise brand for millennials, U by Uniworld. To enter, agents must be the same age as the brand's target market -- between 21 and 45. Then, they must create and post a 30-second video to the U by Uniworld Facebook page that shows how they are going to sell the product, tagging the post #I'mGonnaSellU. A Uniworld advisory board will vote for the winners from a group that received the most likes on Facebook. Selected content will be featured on the U by Uniworld website. Entries will be accepted now through Aug. 15. The voting will take place Aug. 16 to 22, and the winners will be announced Aug. 23.The preview sailing will take place Oct. 7-11, and will be a roundtrip cruise from Paris.