Blogging tool built specifically for teachers and students, with simple publishing, management, security, and control of content. Teachers can setup up multiple blogs for students without e-mail addressed. This would be a great tool for those teachers not yet blogging, but looking to get started in a simple, safe environment.

Create a public collaborative document instantly and invite others to join you. Great tool if you're working with groups of people that don't have Google accounts, want to do collaborative note-taking, or are working together during a professional development session.

Interesting rubric for students to use while grading/assessing other students' presentations. Simple rubric that would be good for introducing students to the concept of self-assessment and/or rubric-based assessment.

Help resources on getting started with Twitter. This would be a great place to send new users either during a session on using Twitter, or at the end so they can start to support themselves.

An overview of how access to new forms of media, dating all the way back to the printing press, has elicited fear and calls of eroding morals.