People can leave traces of information with the use of technologies in many ways. The course material in unit 3 mention at least two; picture and location. Traces of information an also be found in “like”, “dislike”, “comment” and “share” option in various social media platform. People also leave traces of  information in the from of browser history and online shopping. Regardless of age, people like playing games. This can also be the source of digital footprint. Last but not least, our academic activities also leave traces in the form comments and assignments posted in online course, papers, and journals.