Class Collaboration

I had already used TodaysMeet before, so I wanted to check out the other sites to get new ideas.  The site that I really liked was wallwisher or padlet.  This site has a "board" that you can add posts too.  I looked at many different walls to get ideas of how to use it.  One way that was used for education was the students had to use a vocabulary word in a sentence.  Each student posted their sentence and then the teacher could make another post if their sentence wasn't quite on point.  It can also be used for feedback.  I could ask a question about something, and the students could put their thoughts.  It would be used sort of like a blog, but simpler.  I think it could also be used to study or for a presentation.  The ways this site could be used for collaboration and education and even personal use are endless.