Heather Callihan's @hcallihan students help with their Facebook and Twitter using some technology tools. Students can have a voice and you can safely let them help your school share the story. Heather teaches us how. www.coolcatteacher.com/e143 Today's sponsor: GradeCam is a web-based assessment tool that lets you completely customize assessments, instantly scan and score them using ANY device with a digital camera, and then instantly transfer the grades into your digital grade book. And it does all these things without needing any special forms or equipment. Go to gradecam.com/coolcatteacher to start your free trial and see for yourself.