As of today, our public link sharing capabilities got extended to now include dashboards.

As displayed in this recent update, you can try the feature on a dashboard with the new Share console that appears when you click on the top-right share button:

The new Share console as displayed from a dashboard will look like so, where you can easily change the human-readable URL, rope in email recipients to share it with (including an explanatory message)

And here's a sample example of a publicly shared dashboard:

Why don't you play around with the feature and show us some of your most eye-candy public dashboards ?