http://www.techradar.com/news/loot-boxes-are-the-controversial-but-unavoidable-evolution-of-gaming

The video game industry is changing. Or, more specifically, it’s already changed, and we’re just starting to realise it. 

Loot boxes and games geared towards a ‘service’ model have seemingly reignited the debate over the monetisation of in-game experiences - one that we faced years ago when free-to-play titles first reared their heads but are now barging into our games in more obvious, conspicuous ways.