LG Electronics said Tuesday it has signed an agrement with YouTube, the world's biggest video-sharing website, to develop a mobile phone which can operate the service. The proposed model will enable users to upload, view and share video clips or user-created content online freely without using computers. For upcoming YouTube-enabled handsets, LG will apply a new user interface for easily accessing and uploading video content. LG's YouTube-enabled handsets will be available worldwide starting at ...