https://www.cnbc.com/2019/04/01/april-could-see-ipos-from-uber-and-pinterest-heres-what-to-expect.html

Already, 2019 is on track to become the year that some of the most valuable VC-backed companies smash records set during the height of the dot-com era. Four companies in particular — Lyft, Uber, Pinterest and Airbnb, also known as LUPA — dominate the headlines as the first high-profile deals of the mobile-app generation to go public.

"The question is, are these companies going public because they want to or because they have to?" said Henry Ward, CEO of equity management software company Carta. "I think in many cases, it's because they have to."