According to sources from Microsoft, this newest feature will allow to publish interactive reports to any web page supporting iframes. Did not try it yet, but looks very promising. It’s not clear if MS will eventually charge for this once out of preview.
Meanwhile, we can impress our customers and friends embedding self refreshing reports on our blogs and webs. For free.
See https://powerbi.microsoft.com/en-us/blog/announcing-power-bi-publish-to-web/ for details.