So facebook finally has a massive income ? How did they manage to turn the tables around ? Last time I heard of them they were having a very hard time making mo

So facebook finally has a massive income ? How did they manage to turn the tables around ? Last time I heard of them they were having a very hard time making more than pocket change and almost all the revenue was limited to the US. They were steadily losing users in the very significant 13-17 years demographic, had a CTR one fifth of the rest of the web. Several reports of brands quitting facebook or advertising on facebook because it is expensive and does not seem to be effective on a background of unstable rules and "quirky" system with some overcharging and ads not displayed. Facebook built itself on investor story time, with promises of better targeted ads in the future, and up to now is still selling the idea that at some point in the future it will succeed at this. It has yet to deliver on this promise in a consistent way.