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An abbreviated overview of a hotly debated issue.

“Fake news,” is defined here as “fabricated news or information that is meant to be perceived as factual,” a definition that carefully excludes unintended errors, biases, or satire. It’s hardly a new complaint, but this account examines few instances outside the 2016 U.S. elections and mostly ignores print and broadcast media. Technological innovations and widespread use of social media have dramatically increased disinformation’s reach and impact; focusing on online phenomena permits tangents on algorithms creating ideological bubbles, harvesting of personal data, precise targeting of audiences, and strategic releases of hacked information. Partisan politics, foreign (mostly Russian) interference, and greed for ad revenue are presented as the chief villains, allowing brief digressions to recent cases in France, Great Britain, Kenya, and India; the last is the only noted example with violent results despite similar incidents elsewhere (including the U.S.). Indeed, while the earnest, meandering, and repetitive text adopts an ominous tone, it offers little evidence for any concrete consequences beyond the erosion of public trust. Proposed solutions include hopeful predictions for artificial intelligence and vague assurances from tech companies, but the author leans heavily on individual responsibility to become educated and remain skeptical and vigilant. Appendices provide a useful rubric for evaluating information and list some reputable fact-checking sites; the index is scattershot and sloppy.

A subject much in demand, but there are better resources available. (source notes, appendices, further reading, index) (Nonfiction. 12-16)

This article originally appeared on Kirkus Reviews