Due to the latest Alphabet’s (Google’s Parent Company) study released for Q4 and full year earnings, revenue growth was driven by mobile search acceleration, YouTube and programmatic advertising. The study shows that the total year revenues were around $75 billion. Fourth quarter revenue was $21.3 billion, which represent a jump compared to the predicted $20.8 billion. Earnings per share accounted for $8.67, which represents a jump as well in comparison with the expected $8.09. US revenue was up 24% compared to the previous year, accounting for $10.3 billion. According to the study, mobile search was the biggest revenue growth driver in Q4.