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. 
Q: Study: E-business customer satisfaction on the rise Users of portals, news sites and search engines were a bit less satisfied than average consumer scores overall, a University of Michigan survey show. Scores were higher for online travel, retail, auction and brokerage sites.
A: 
3