My item was rejected without some good explanation. It say it can’t be re-upload.
It is poll system that allow to users to vote and see results.
It have very detailed analysis for each poll and for each option. You can see details as age , region , nation , reason for polls and options. And how people who vote for one option vote for other polls. I use d3js for charts.
And front http://demo.plusmotiv.com/poll-system