Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: Toshiba and Memory-Tech go Dual-Format DVD. Toshiba and Memory-Tech announced they developed a dual-layer DVD disc. This wouldn #39;t be newsworthy unless the disc is able to contain two formats: HD DVD and DVD formats.

Sci/Tech