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: Beware! Bugs can attack Net phones THEY are becoming increasingly popular because they are cheap. However, before you rush off to buy an Internet phone or Voice-over-Internet Protocol (VoIP) phone, you should know that they are 

Sci/Tech