Is a way to quickly and anonymously poll students or even create a word cloud showing what thoughts are being emphasized by the group as a whole. It is a fun and quick way to get a pulse on how a groups thinks or feels about a topic.
Here is a quick tutorial video showing you some great classroom applications for Mentimeter!
If you need any more help using Mentimeter, reach out to their help site: https://help.mentimeter.com/en/