Black explained to Sammy that even though "Daddy makes money in movies," spending $3,000 a day on digital diamonds was unsustainable and could lead to them losing their home.
The trouble began with a game that was marketed as free to play. The game involved collecting monsters, but progress required "diamonds" and "jewels". While individual items could be bought for as little as 99 cents, the app also offered a "big sack of diamonds" for $100—a button Sammy found particularly appealing. Jack Black's Son Racked Up a $3K App Bill
Black's story highlights a growing concern regarding predatory game design. Many apps use confusing multiple currencies to mask the real-world cost of items, making it easy for children (and sometimes adults) to lose track of their spending. Black explained to Sammy that even though "Daddy