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: New Worm Hijacks Webcams A new worm can spy on users by hijacking their Web cameras, a security firm warned Monday. The Rbot.gr worm -- the latest in a long line of similar worms; one security firm estimates that more than 4,000 variations 

Sci/Tech