What is the purpose of #! in an url [duplicate]
Possible Duplicate:
What's the shebang (#!) in Facebook and new Twitter URLs for?
This question may have been asked before so bear with me. #! (pound exclamation) is not a great search term neither on this site nor on google.
So anyway, I'm noticing a lot of facebook urls with these two characters in them. What is it used for?
This should explain it:
http://googlewebmastercentral.blogspot.com/2009/10/proposal-for-making-ajax-crawlable.html
It boils down to making AJAX-sites crawlable.
Update: And from the duplicate: http://code.google.com/web/ajaxcrawling/
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