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: Ballmer Takes Anti-Linux Campaign to IT Executive E-mail List Microsoft CEO Steve Ballmer took the company #39;s anti-Linux campaign to its IT executive e-mail list on Wednesday afternoon, with a 2,600-word message that restated Microsoft #39;s well-worn case against open source software.

Sci/Tech