Assertion: google talk | /r/CapableOf | interoperate with other vendors
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Source sentences:
text: On May 15, 2013, Google's manager of real-time communication products, Nikhyl Singhal, stated at Google I/O that the move to Google+ Hangouts will mean that XMPP (the protocol that allowed Google Talk to interoperate with other vendors and applications) will not be supported in Hangouts.