Facebook just reported their numbers today. One breakdown was a particularly striking example of the fact that we are truly living in a mobile-first age, and mobile is where the future will be:
ALL of Facebook's growth is coming from mobile ads.
If you are not doing (or learning) mobile advertising currently, it's time to get on the bandwagon.
Right now.

super interesting. thanks for sharing!
thanks for sharing the statistics.
Wow, it's so huge!
cool breakdown