Task: Question Generation
Input (English): Context: Sony has announced the release of the KDL-40ZX1 , they world 's thinnest LCD TV ever made at a tiny 9.9 mm thick . The LCD is full HD 1080p capable and includes 120Hz MotionFlow for improved image quality during fast action scenes . Sony says the TV has a 3000:1 contrast ratio and a very decent 178 degree viewing angle .
Output (English): Before releasing this tv what did Sony do ?