This document provides a summary of the author's work activities and experiences from 2015-2016. It mentions working for companies like DMM, SCSK, Yahoo, and freee in 2015 and 2016. It also discusses using tools like SlideShare, TeraPad, GitHub, Qiita, Twitter, Facebook, and Evernote for work and sharing experiences. The author expresses finding new opportunities and challenges in IT work.