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This reading consists of a thread on Twitter regarding safety and use of data through social medias by John Abowd, the chief scientist of the US Census Bureau. Abowd discusses how data that is made public may not be as safe as it used to be or as many people believe it to be. If too much data is released, there is the possibility of database reconstruction, meaning people or a program could use the data to identify individuals whose names are not meant to be public knowledge. This could be harmful to many individuals who believed that their information was safe and also brings up the question of how much control people have over their data. I like that Abowd is very honest and explains things in a way which are understandable to people with little knowledge on the subject. In a response by JH, the student discusses the positives and negatives of social media data being used by researchers. Overall, I agree with their statements and believe that there is a lot which needs to be changed in regards to social media and these changes should be a larger topic of conversation.