The website currently says, "up to $1294." The phrase suggests that at least one user is worth that much and the rest are worth less. One might imagine that that user is clicking on a ton of ads every year (and buying the products).
author here. We divided the number of revenues and the marketcapitalization per regional revenues
US user : $1294 market cap in average, EU user : $494 market cap in average, Asia $109, Rest of the world $80
It is explained in more detail in the report