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The bar chart illustrates how 4 types of digital games (mobile phone games, online games, console games, handheld games) were sold in the preiod of 2000-2006.

The units are given in billions of US dollars.

Overall, handheld games were the most successful digital product over 2000-2006, whereas console games were steadily loosing their popularity during these years.

Mobile and online games were new to the market but their sales grew rapidly.

In 2000 global sales of handheld games accounted to just below 12$bn; in the next 6 years sales growth was steady and resulted in almost 18$bn income.

In contrast, console games sales saw a drop from about 6$bn in 2000 to nearly 3$bn in 2006.

Online games first introduced to the market in 2001 returned less than 1$bn that year, but in the next year their sales witnessed constant a increase, which led to almost 9$bn sales in 2006.

Similarly, mobile games started in 2002 with approximately 1$bn sales, which exceeded 6$bn in 2006.