Embed a Google Form on your Moodle page. The thinking should be the same for any HTML code you generate and can embed anyplace else, for example a Cover It Live Session.
My Interesting Ways to Use series has been really successful. I measure their success in how useful they are to teachers and other educators in helping with
Wallwisher is an online notice board maker. Discussing a new idea? Taking notes? Giving feedback? Voicing opinion? Wishing a happy birthday? Now do all that easily with Wallwisher wall and some stickies.