Shark Tank: Kevin O'Leary Invests In Millennials Giving Hallmark A Run For Its Money

Lovepop sets a whole new standard for when you care enough to send the very best, giving Hallmark -- the world's biggest card maker --  a run for its money. The millennial company's handcrafted, laser-cut, pop-up greeting cards celebrate all of life's events and holidays in 3D. Lovepop booked $1 million in sales and sold 100,000 cards since appearing on Shark Tank  in December. Sales in January alone skyrocketed 30 times over the year-ago period -- an enviable feat for a company that opened on...