Amazon had anticipated a good holiday season, and it got it. The company reported $87.4 billion in net sales for the fourth quarter of 2019, up 21% from the same period the prior year. On the advertising front, the company generated ad revenues of nearly $4.8 billion for the quarter, an increase of 41% year over year. That brings the company’s annual advertising revenues in 2019 to roughly $14.1 billion, up 39% from $10.1 billion in 2018.
