The previous leaks did not definitely show anything like that. In fact its not clear they showed anything beyond an informational briefing on issues with intercepting Google related data.
There's a Chinese whispers effect to all this where vague assertions are repeated over and over until they become considered definite facts.
That's Facebook. The Yahoo and Google stuff has been very widely reported and are direct from Greenwald and the Snowden leaks. Other links (in particular the PKH link) contain other information.
There's a Chinese whispers effect to all this where vague assertions are repeated over and over until they become considered definite facts.