Happy Friday everyone. As you stretch out the next few hours, pretending to work, you might as well learn a touch while you scroll Reddit and fret about how many minutes until you can leave early and not feel guilty.

Enter this nifty matrix that contains a great number of technology firms’ business models, and a guess as to whether or not they are profitable. It’s an exceptionally useful little tool, and you might just be surprised at who sells data to earn cash.

A sample:

The chart has everything from Microsoft to Instagram, but it’s not utterly inclusive. Still, it has the big names. Now, get over there and start accumulating more knowledge for the next time you are at a bar with techies.

➤ The Matrix Top Image Credit: Jo Jakeman