Debt's vicious cyle—a flow chart that illustrates how those in need, who needed to borrow, can be hamstrung by the interest they need to pay back, giving them less money to work with, needing more cash, increasing the loan, paying more interest and on.

The reverse scenario is the positive cycle of "the rich get richer" or "money begets money."

Debt’s vicious cycle

Data graphics can lie in many ways, but the most common, I expect, is the error of using area or volume objects to represent one-dimensional data.

More data visualisation principles from Edward Tufte.

Watch for the lie factor

I am not advocating it. It just seems to always be the case.

Get my new weekly sketch in your inbox

Rule 1 of indoor games: Play until something gets broken