Complete localization of the internet experience with IDN and the effect on US companies

ICANN, after years of planning, recently announced that full IDNs are a go, so that an FQDN can theoretically be completely internationalized with a selection of around 100K characters, outside the 37 available now for TLDs (26 alphabetic, 10 numeric and 1 punctuation mark - the hyphen).  The limitations on the extent of a language's characters will be down to the internationalization of the first level TLDs and the subsequent IDN naming efforts of the gTLDs and ccTLDs at the second and third levels.  Here are some examples of existing, working FQDN IDNs ( <a href="http://δΎ‹