Vine ingenues, YouTube megastars, hip-pop sensations, and best friends Jack & Jack bring their own brand of irreverent comedy, on-point style, and heartfelt life advice to You Don't Know Jacks.Nebraska natives Jack Gilinsky and Jack Johnson shot to instant fame after their first Vine, "Nerd Vandals," was dubbed "a perfect Vine" by the Huffington Post. It's been looped more than ten million times since—and that Vine was just the beginning.Now, after a number one hit...

Vine ingenues, YouTube megastars, hip-pop sensations, and best friends Jack & Jack bring their own brand of irreverent comedy, on-point style, and heartfelt life advice to You Don't Know Jacks.Nebraska natives Jack Gilinsky and Jack Johnson shot to instant fame after their first Vine, ""Nerd Vandals,"" was dubbed ""a perfect Vine"" by the Huffington Post. It's been looped more than ten million times since—and that Vine was just the beginning.Now, after a number one...