ไก่ชนออนไลน์ are currently being played for over 60 minutes a day by more than half a billion people worldwide, says Jane McGonigal.

In the United States alone, that amount is 183 million.

Ninety-nine percent of boys under 18 and 94 percent of women under 18 say they play online games on a regular basis.

In an average, young people will rack up 10 million hours of gambling by the time they reach the age of 21.

That is about the same amount of time which they will spend in their own classrooms.

Over 5 million Americans are now spending over 40 hours a week playing online games, that’s the equivalent of the time spent in a full time occupation.

The NPD Group, a financial-analysis firm that tracks the sales of video games,” says the U.S. games industry sold $6.71 billion worth of new games in 2012.

The best 10 best-selling games of 2012 were:

FarmVille is a highly-popular farming simulation social network game developed by Zynga in 2009.

FarmVille 2 was released in September 2012.

World of Warcraft holds the Guinness World Record for the hottest MMORPG (Massively Multiplayer Online Role-Playing Game), with over 8 million subscribers as of March 2013 (Wikipedia).

Another popular game is Clash of Clans, which is a battle strategy game.

Free games, frequently referred to as freemium (free + premium) games, is a business model where the video game is given away free of charge, but the consumer has the choice of spending cash on a variety of game enhancements.

This model is now popular on both smartphones and iPads.

Totally free games have been downloaded much more readily than compensated games.

The freemium version seems to be the trend of the future because most are becoming reluctant to cover a game before they use it.

Once a customer uses a video game, they will usually be willing to shell out money inside that game if they find it enjoyable and engaging.

As an example of how the freemium model works, consider that the free game Clash of Clans.