Definition: In this task, you're given a short article. Your job is to classify the article based on its category. Use the following classification labels, 0. World, 1. Sports, 2. Business, 3. Science or Technical. Label the text "0" if it contains information related to world. Label the text "1" if it contains information related to sports. Label the text "2" if it contains information related business. Label the text "3" if it contains science or technical related information. 
Input: Google Buys Digital Mapping Company Google Inc. has bought digital map maker Keyhole Corp., extending the search engine leader #39;s bid to fend off rivals with a toolbox that can catalog almost anything in the world.
