The demand for 3D television has not been as great as originally expected . The need to wear 3D glasses clashed with the multi-screen experience many demand . At the last soccer World Cup , it was all about 3D . In addition, there are a number of other factors that have contributed to this decline in sales :
The demand for 3D television has not been as great as originally expected . The need to wear 3D glasses clashed with the multi-screen experience many demand . In addition, there are a number of other factors that have contributed to this decline in sales :