Some cropped up in posts that used text, such as conjugation mistakes between singular and plural verb forms and the misuse of articles like “a″ and “the.This time, however, whoever is responsible is doing a better job hiding their tracks.For the moment, however, Facebook is alone in disclosing additional problems.“A couple thousand moderators are all going to have slightly different criteria that they spot,” said Joanna Bryson, a computer scientist at the University of Bath. In February, US special counsel Robert Mueller indicted 13 people associated with the IRA for plotting to disrupt the 2016 election. They are buying ads with US or Canadian dollars, not rubles, and using virtual private networks and other methods to look more like people logging in from US locations.“They’ve got lots of very good, smart technical people, who are assessing the situation all the time and gaming the system,” said Mike Posner, a former US diplomat who directs New York University’s Stern Center for Business and Human Rights. “It’s not quite as easy to sneak by as it is with a single algorithm.”Miles Brundage, a research fellow at Oxford University’s Future of Humanity Institute, says any Facebook AI is in for a “cat and mouse game of evasion and detection” with adversaries who can try different techniques until they find something that works. Twitter told Congress last October that it shut down more than 2700 accounts linked to the IRA, but only after they put out 1.With the US midterm elections approaching and renewed scrutiny on Capitol Hill, Facebook revealed this week that it has uncovered and removed 32 apparently fake accounts and pages.But it may never get the upper hand. China kitchen mats manufacturerThey employ better operational security, constantly test Facebook’s countermeasures and then exploit whatever holes they find. The tools can help human moderators identify posts that warrant a closer look, but they can’t do the job themselves.“Because the 2016 operation was widely seen as a success, it means a number of other players are likely entering the field,” said Thomas Rid, a professor of strategic studies at the Johns Hopkins University who is writing a book about 20th-century disinformation efforts.Google likewise said it found two accounts linked to the Russian group that bought almost $5,000 worth of ads during the 2016 election, as well as 18 YouTube channels likely backed by Russian agents. Mark Warner, speaking Wednesday at a Senate Intelligence Committee hearing. The fake accounts, however, resemble those created from 2014 through 2016 by the Internet Research Agency, a so-called troll farm based in St. Petersburg, Russia.”The Council’s Digital Forensic Research Lab found many of the accounts were similar to IRA pages in their approach, tactics, language and content — in particular, the targeting of specific demographics like feminists, blacks, Latin Americans, and anti-Trump activists. Its adversaries are wily, more adept at camouflaging themselves and apparently aren’t always detectable by Facebook’s much-vaunted AI.4 million election-related tweets..Facebook has not said who’s responsible for the latest influence campaign.In general, tech companies have been reluctant to share everything — or anything — they find with the public, even as they work behind the scenes with law enforcement and intelligence officials.“Offensive organisations improve their techniques once they have been uncovered,” Facebook Chief Security Officer Alex Stamos wrote in a blog post Tuesday