"You must leave digital footprints so people know you’re treading among them and part of the community." Vicki Davis, ' Global Education by Design ' The final part of Professional Learning in the Digital Age concerns contribution and how it is our duty to give as much as we take from our Personal Learning Networks (PLN), if not more. We all have something to give, we all have something to share - whether it is anecdote or expertise - and we can all learn from each other. Kristen Swanson advocates multi-layered contribution ranging from Tweeting (or even more basically, Re-Tweeting) to speaking at conferences. I think I can narrow my contributions to:- Tweeting Blogging Collaborative planning at work Leading or presenting PL sessions at school Speaking at a conference TWEETING Tweeting is easiest - stuff just comes to me and I Tweet and ReTweet what I think might be useful to others. I also Tweet quotes from books I read via my Kindle and links I st...