Alphabet , Google 's parent company , has reported revenue of $ 21.33bn for Q4 2015 , this performance sees it overtake Apple as the world 's most valuable app . Net profit increased to $ 4.9bn in 2015 compared to the previous year , Ruth Porat , Google CEO , said this was largely driven by mobile search , YouTube , and programmatic advertising . Alphabet 's revenues in other ventures such as its self - driving cars were far lower than its core advertising , indicating that advertising is still the crux of the business . Stephanie Carr , MD and VP EMEA at Marin Software , said " search marketing is still an important channel for business and separates Google from its social rivals . "
Alphabet, Google's parent company, has reported revenues of $21.33bn for Q4 2015, this performance sees it overtake Apple as the world's most valuable company. Net profit increased to $4.9bn in Q4 compared to the previous year, Ruth Porat, Alphabet CEO, believes this was largely driven by mobile search, YouTube, and programmatic advertising. Alphabet's revenues in other ventures such as its self-driving cars were far lower than its core advertising revenues indicating that advertising is still the crux of the business. Stephanie Carr, MD and VP EMEA at Marin Software, said "search marketing is still an important channel for marketers and separates Google from its social rivals."