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: Be careful, that e-card may be a virus IF you were planning to save on postage this year by sending electronic greeting cards, think again. And be careful when opening any you get.

Sci/Tech