The online video game purveyor is apparently not doing as well as it could in the sale of its in-game currency.

Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer.

Roblox already has an immense, devoted, and growing user base. Right now, nearly 40% of them are still under the age of 13. Yet, many of these users could be devotees for a very long time. For me, the ...