Jongwook Woo analyzed tweets about Alphago vs Lee Se-Dol's Go match using Hadoop and Spark on Azure HDInsights and IBM DashDB. The analysis found that the US and Japan tweeted the most about the match, with over 11,000 and 9,000 tweets respectively. Most tweets from all countries were positive in sentiment. Tweets peaked on days when games were played from March 9-15, 2016.