Ma Man Kei and Lo Pak Sam College invited Prof. Zhiguo Gong from the Faculty of Science of Technology from the University of Macau to a give a lunch seminar entitled “Social Media Mining?” on 22th August, 2018. Prof. Gong was the first speaker for this semester. He began his talk by explaining the importance of social media mining and how the data are collected by the social media platform providers. He then moved on to talk about how the data can be used to extracted information such as tourist hot spots, new popular tourist paths and new locations. Prof. Gong concluded the talk by discussing the privacy issues related the data usage.