In a second shocking blow to the Russia-collusion-conspiracy-believers, after Twitter found no evidence of meddling in the UK's Brexit vote, Bloomberg reports that Facebook found there was "insignificant overlap" between Russia-based targeting of ads and those of Trump's campaign.

Earlier today, Twitter reported that it had examined 13,000 Brexit bots and found that only 1% could be conclusively linked to Russia, and that most of these bots have already been suspended.

And now, as Bloomberg reports, Facebook told a Senate panel that it has detected “only what appears to be insignificant overlap” between targeting of ads and content promoted by a pro-Kremlin Russia group and by the presidential campaign of Donald Trump.

The social-media company said it “does not believe it is in a position to substantiate or disprove allegations of possible collusion” between Russia and the Trump campaign, as part of a written response to questions from the Senate Intelligence Committee released Thursday evening by the panel.

The company answers aren’t likely to quell concerns from lawmakers that the companies may not have found all of the abuse of its networks by Russians or taken enough steps to prevent future actions.

Facebook said it has no evidence that the Russian Internet Research Agency, which disseminated fake news and ads, targeted its efforts based on U.S. voter registration data.

Their targeting was “relatively rudimentary, targeting broad locations and interests,” the company said.

So the Russia collusion conspiracy hangs by the most tenuous of partisan threads... and remember just this week, some of the most infamous faces from the 'Russians-did-it' gang - Rep Schiff and Sen Feinstein - demanded Twitter, facebook crackdown on still-active "Russian Bots" that were spreading #ReleaseTheMemo content...

There's just one problem - internal Twitter sources confirm that the #ReleaseTheMemo hashtag has been pushed by actual Americans.

a knowledgeable source says that Twitter’s internal analysis has thus far found that authentic American accounts, and not Russian imposters or automated bots, are driving #ReleaseTheMemo. There are no preliminary indications that the Twitter activity either driving the hashtag or engaging with it is either predominantly Russian. In short, according to this source, who would not speak to The Daily Beast for attribution, the retweets are coming from inside the country. The source pointed to influential American users on the right, including Donald Trump Jr., with his 2.49 million followers, pushing the hashtag forward. It’s become a favorite of far-right Republican congressmen, including Steve King, who claimed the still-secret memo shows the FBI was behaving “worse than Watergate” in one viral tweet. Mark Meadows called it an “absolutely shocking” display of “FISA abuses,” referring to a counterintelligence process.

We are nearing peak cognitive dissonance.