Thanks for your feedback. You're totally right, demographic breakdowns and confidence intervals are important. There's a link to the demo at the bottom of the b

Thanks for your feedback. You're totally right, demographic breakdowns and confidence intervals are important. There's a link to the demo at the bottom of the blog post where you can see that. The little gray lines on each graph indicate the confidence intervals. The bars are grayed out if the result isn't statistically significant. There several demographic breakdowns available as well.