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 :
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 . 4K technology is taking over -- some World Cup games will be filmed using this ultra high-definition technology .