Everyone knows the tech industry is rich, but it can be challenging to get your head around just how much money it's minting.
Four of the industry's giants — Facebook, Microsoft, Amazon and Google parent Alphabet — reported unexpectedly large profits this week. (Amazon's profit more than doubled Thursday.) A fifth, Apple, releases earnings on Tuesday. These companies are the largest on Earth, at least in terms of their market value.
But their raw financial figures only tell you so much. Here are seven facts you might not know about the lucre the technology industry is rolling in.