Amazon ad sales up 66% in 2020, and three other lessons from a record Q4

This article explores the key takeaways from Amazon’s record-breaking Q4 2020, a year in which pandemic necessity and heavy investment saw the company’s revenues and profits rocket.

The year 2020 was, as you would expect, quite a year for Amazon: the internet giant’s full-year revenues were up 38% on 2019 to reach $386 billion and its Q4 income alone topped $125 billion. Spurred on by the pandemic, the company has invested heavily...