Liftoff Mobile IPO: Stock listing date nears for Blackstone-backed advertising technology startup - Fast Company[Try our mini crossword with a business twist: Play Fast Company Mini Crossword]LOGIN[SUBSCRIBE]- [INNOVATION FESTIVAL]- [Video]- [Podcasts]- [Games]- [Work Life]- [Leadership]- [News]- [Design]- [Tech]- [Premium]|[Custom Studio]- [Texas A&M University]- [IBM]BY [Sam Becker]Listen to this Article [More info]0:00 / 0:00Liftoff Mobile, a California-based mobile app [marketing] provider, announced on ...