a professor of entertainment computing mike mazel has been studying this trend in the gaming industry for a while developers have invented various tricks to keep gamers hooked yeah i know you could be getting started is really simple gamers quickly get better and build things defeat enemies until they hit a point when they realize they can't progress further commish why though i would done at that stage they might already be hooked and consider investing money to keep playing with one of these free to play or freemium games are a lucrative business for developers sweet they produce six hundred fifty nine million euros in revenues in germany last year alone. fantasy currency special weapons vehicles and avatars they're all available to buy. you know we think the gaming industry copied this business model from razor manufacturers when they're you're not actually paying for the razors but for the razor blades you use by free to play games do the same you purchase things you use while playing. eighteen year old now see here is one of those who's invested in new gaming features. but i want