Mobile continued to increase its share of the Facebook revenue pie, accounting for 80 percent of the company?s total advertising revenue in the fourth quarter of 2015, up from 69 percent in the fourth quarter of 2014.
Facebook reported its financial results for the fourth quarter of 2015 and the full year after market close Wednesday, and highlights included:

Revenue: $5.841 billion, up 51.7 percent from $3.851 billion in the previous-year period. For the full year, revenue of $17.928 billion was up 43.8 percent from $12.466 billion in 2014.
Net income: Facebook reported GAAP (generally accepted accounting principles) net income of $1.562 billion in the fourth quarter, up 122.8 percent from $701 million in the same period of 2014, and $3.688 billion for full-year 2015, up 25.4 percent from the 2014 total of $2.94 billion. Earnings per share: GAAP EPS of $0.54 in the fourth quarter was up 116 percent from $0.25 in the year-earlier quarter, while for the full year, GAAP EPS rose 17.2 percent, to $1.29 from $1.10.
Monthly active users: Facebook reached 1.591 billion MAUs at the end of 2015, up just under 3 percent from 1.545 billion at the end of the third quarter and up 14.2 percent from 1.393 billion at year-end 2014.
Mobile MAUs: The social network reported 1.442 mobile MAUs, up 4.1 percent from 1.385 billion in the previous quarter and up 21.3 percent from 1.189 billion at the end of 2014.
Mobile-only MAUs: 823 million, up 13.2 percent from 727 million at the end of the ...