Ratko Vidakovic on ad tech's year of seismic change, and why all is not doomed Apple and Google both made industry-changing announcements in 2020. Apple, Google; Illustration by Ron Goodman December 23, 2020 After a tumultuous year for the ad-tech world, we’re taking a look at what happened and how it’ll affect the industry in 2021 with the help of influential ad-tech consultant Ratko Vidakovic.