facebook’s fast growth continues. The numbers of the third quarter are incredibly high. In comparison to last year the netto win increased by 79% to 4.7 billion US $. The turn over increased by 47% to 10.3 billion US $. The revenues by advertisement increased by 49% to 10.3 billion US $. From this about 88% came from advertisements on mobile devices. By end of September facebook had 2.07 billion active users per month, which is an increase by 16% from the year 2016. These numbers were a clear surprise for the analysts.