Teachers are beginning to use Wallwisher as a means of allowing lots of students to post simultaneously.
Lee Kolbert from Palm Beach Cafe gives a brief outline of how the site works below:
Tom Barrett'ss blog in the UK is crowd sourcing requests for ideas on how Wallwisher might be used in the classroom context. Here is the Google Presentation giving ideas on how to use the site;
Here is our Wallwisher - please add your own ideas: