- The document discusses using microblogging tools like Twitter to engage students during lectures. It outlines benefits like increased focus, participation and innovation as well as concerns around inviting the world into discussions. - Various microblogging platforms are presented, including Twitter, Facebook and tools designed for education. The Curtin Hotseat tool allows anonymous participation and metrics collection. - Research found students who engaged more via microblogging during lectures received higher grades, with top posters getting A's and less active students lower grades.