Bidi IRIs are a divisive issue - how would you display an English URL to to an Arabic user (is it www.goggle.com or com.goggle.www?) and if that URL is in Arabic how would that be ordered? As the old joke goes, put three experts in a room to discuss this, you will get four opinions. Thanks to a new proposal by Mark Davis there has been some narrowing of the consensus on this issue. This created a discussion which can be summarized in the following mind map (click to expand):
Bidi Iri

Now that makes more sense, doesn’t it?