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Specification: http://www.whatwg.org/specs/web-apps/current-work/multipage/web-messaging.html Multipage: http://www.whatwg.org/C#posting-messages Complete: http://www.whatwg.org/c#posting-messages Comment: on facebook i can see when i post a status Posted from: 70.15.137.46 User agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:14.0) Gecko/20100101 Firefox/14.0.1
Not sure that is really relevant...