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: For \$117m, Iron Mountain adds unit to store bits as well as boxes Boston information management giant Iron Mountain Inc. , a leader in the archiving and backup of business records, accelerated its push into the digital market yesterday with an agreement to buy Framingham's Connected Corp. for \$117 million in cash.

Business