Advertising and promotions In-game advertising Advertising can prove to be a major into their progression systems, source of revenue for many game allowing players to earn rewards businesses. In mobile gaming, in- by watching ads. game advertisements in the form Advertising can also take the form of pop-up messages and videos, of advergames and, where premium background displays and even currency is primarily or only available playable demos for other games have through purchase using real-world become one of the most prevalent money, offers to purchase game forms of monetisation. Dynamic resources using this currency are also advertising space in games is sold to likely to be considered advertising advertisers in much the same way as because that currency is tantamount it is in other forms of online, broadcastto money. For more information on and out-of-home advertising. the regulation of in-game currency Many mobile games now even and e-money see our In-game integrate in-game advertising currencies section. 86