There was a time, when shooting sequences on green screen, and creating avatar type films was the domain of large production houses. With dedicated studios, and armies of vfx artists to make it all come to life.
Fast forward approximately 10 years, and green screen shots are everywhere, from news studios, to cheesy Bollywood tele-serials. The quality may be somewhat questionable.
Read more: Green Screens and Lemons : Case study on complex greenscreen cleanup