This document summarizes a presentation on 21st century tools to teach, learn and collaborate. It discusses how learning and teaching have changed with new technologies. It introduces tools like Twitter, Wallwisher, Voicethread, Google Voice, Wordle, Toondoo, Glogster and Animoto that can be used for collaboration, communication and content creation. Guidelines are provided for integrating technology into instruction in a meaningful way. The presentation emphasizes that technology should enhance learning and engage students in creating content rather than just consuming it.