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: SanDisk Intros New Memory Sticks and SD Cards with World #39;s Largest &lt;b&gt;...&lt;/b&gt; The 4GB SanDisk Memory Stick PRO will cost \$799.99, while 2GB SanDisk SD Card will be \$199.99. They will be available in November.

Sci/Tech