In October, Google dramatically announced that it would shut down Google+ in August 2019, because the company had discovered through an internal audit (and a simultaneous Wall Street Journal exposé) that a bug in Google+ had exposed 500,000 users' data for about three years. Maybe it should have pulled the plug sooner. On Monday, Google announced that an additional bug in a Google+ API, part of a November 7 software update, exposed user data from 52.5 million accounts.

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