The March of Access Control
John Resig,
Weblog,
Nov 19, 2008
Some big changes are coming not only to how the web functions but also to how it will feel for users. Basic web 2.0 operations - such as HTTPRequest - are set to be enabled with cross-domain access controls. This addresses some of the major issues of website interoperability, but also means that fun easy-going cross-site content-mashing is going to be replaced with one where you the external site must specifically grant permission. So simply linking to external resources to embed them - like this, say, or this - may become impossible.
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