In this 101 session, Mark Barnes explains the power of Twitter hashtags for creating your own tribe of like-minded teachers and learners. Mark, whose tweets reach more than 3 million newsfeeds monthly, explains how you can create any hashtag you like on any subject of interest and find people who will tweet their thoughts and resources about the topic daily. Soon, you'll have your own expert tribe that you can learn from 24/7. Hack Learning 101 appears in your Hack Learning Podcast feed every Thursday, teaching you one amazing resource or skill in about 101 seconds.