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Photo: IBM Research

On Monday, a quarrelsome AI from IBM matched wits with a pair of human debaters in San Francisco in an impressive showcase of technology known as "computational argumentation."

Why it matters: By quickly synthesizing persuasive arguments from a trove of source material, IBM's remarkably conversant debater can "help broaden minds with unbiased debate," said Arvind Krishna, IBM's director of research. It could even be used to combat fake news by "asking critical questions of news," according to Noam Slonim, a technical staff member at IBM's Haifa Research Laboratory in Israel.

But, but, but: To construct its arguments, the computer dips into hundreds of millions of articles from newspapers and academic journals. It's not able to determine the veracity of what it reads, so it has to trust that its source material is accurate.

The details: IBM's Project Debater sparred with two world-class human debaters in front of an audience, which later ranked each debater's performance. In one matchup, the computer argued eloquently for government subsidies for space exploration, contending that it will "expand our collective sense of humanity's sense of place in the universe." In the second, it offered statistics to argue for expanding telemedicine — and at one point stopped just short of calling its human opponent a liar.

The score: Based on voting, the first debate was a wash. But in the second, the computer changed the minds of nine undecided audience members, while its human opponent didn't change any. It even cracked some self-deprecating jokes about its artificial nature along the way.

  • The good: Project Debater got consistently high marks from the audience for thoughtful arguments that were packed full of facts and quotations. It structured its points with clarity, and understood its opponent's speeches accurately enough to rebut them point by point.
  • The bad: In a possibly callous slip-up, Project Debater deemed space exploration more important than better health care. It also displayed a clueless streak when it repeatedly urged its human listeners not to "be afraid" of new technology. Slonim remarked that for all its debating prowess, the system still has no tact.

The big question: Will this technology help AI explain its reasoning? Opaque algorithms that offer data-driven outputs without backup are increasingly under fire for being error-prone or even unethical. If AI programs ever get to the point where they can present evidence of how they reach their decisions, something like Project Debater could serve as their interpreter — and nudge the field towards much-needed transparency.

Go deeper

Instagram's boss faces Congress' questions on harm to teens

Photo illustration: Shoshana Gordon/Axios. Photo: Matt Winkelmeyer/Getty Images for WIRED

The head of Instagram will find himself in Congress' crosshairs for the first time Wednesday in the one area lawmakers have shown they are willing to pass tech regulations — protecting youngsters online.

Why it matters: Republicans and Democrats have found common ground in grilling tech companies on how their products harm children, especially after revelations in The Wall Street Journal about Instagram's potential harm to the mental health of teen girls.

Jan. 6 committee to start contempt proceedings against Meadows

Photo: Olivier Douliery/AFP via Getty Images

The Jan. 6 select committee plans to move forward with contempt proceedings against former White House chief of staff Mark Meadows for his refusal to comply with the panel's subpoena.

Why it matters: The committee has used the threat of contempt — and the associated financial and reputational costs — to try to ensure evasive witnesses sit for their depositions.

Complaint to FTC: Amazon search results full of potentially deceiving ads

Photo: Nigel Kirby/Loop Images/Universal Images Group via Getty Images

Amazon does not sufficiently distinguish between its search results and paid ads, potentially "deceiving millions of consumers," according to a complaint filed to the Federal Trade Commission.

Why it matters: Joan Moriarty, research director for the Strategic Organizing Center, a coalition of labor unions that filed the complaint, told the Washington Post the group is "very hopeful" that the FTC will investigate the complaint because Lina Khan (D), a known Amazon critic, is now chair.