This document discusses building a professional digital identity and presence online. It emphasizes the importance of developing a consistent online identity across social media platforms and professional networks like LinkedIn and Academia.edu. It recommends growing one's network by connecting with relevant individuals and groups, managing the network by providing value and responding promptly, and activating the network by asking for help. Building an online presence can help with research impact, public engagement, teaching and learning, and career development. The document provides practical tips for using blogs and social media to communicate research and collaborate with others.