ADWEEK - Mar 11 - To promote Robert Schwartzman's The Unicorn, which premiered at South by Southwest, the film's producers have partnered with a dating app, 3Somer. "3Somer is more than just a Tinder alternative for threesomes," said John Martinuk, co-founder of 3Somer, in a statement. "We aim to create an exclusive and friendly community for people into the threesome lifestyle." The Unicorn follows Malory (played by Lauren Lapkus) and Caleb (played by Nick Rutherford), a couple four years into their marriage, who embark on a quest to give threesome dating a try.