Brilliant site for use in schools when doing social media projects and not wanting students to engage in any actual dialogue. You can write in the tweets and create a conversation then download it as an image. Another good addition that sits well alongside ClassTools Fakebook - http://www.classtools.net/FB/home-page
Kahoot! is a classroom response system which creates an engaging learning space, through a game-based digital pedagogy. Kahoot!
Have you tried Socrative and Moodle Real Time quizzes for whole class quiz activities and/or revision sessions?
If so, then you might want to give Kahoot a go: Its quiz tool allows
Multiple choice questionsUpload (by dragging) images from your own computerAllows video questions (via YouTube) which you can top and tailTop 5 Students appear on leaderboard after each questionTeacher controlTeacher can download results as a spreadtableWorks on any platform, PC, notebook, smartphone, ipad etc