视频 艺术 发展 in 1970s as an 探索 of 新兴 视频 技术 and aimed to exploit 特定 opportunities of the 媒介 as 清晰（独特） from either 传统 电影 or previous gallery-based 艺术作品 包括 装置 It was for this latter area that the majority of 视频 艺术 was probably conceived Today the 术语 appears to be becoming rather 历史 in 本质（自然）