The Slingshot Formula is the definitive behind-the-scenes analysis into the business tactics, marketing genius and wild stunts that facilitated an unknown startup company to turn the mobile game Angry Birds into a true pop culture phenomenon. The small startup from Finland called Rovio have grown their workforce from 18 to 800, with offices spanning across 4 continents. Acquired by Sega in 2023, the brand is about to embark on a renewed global launch.