Security or marketing: Allo and the price of listening in

Google's upcoming messaging app offers a strange choice between intelligent agent and strongly protected communications.

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Glenn Fleishman’s most recent books include Take Control of Zoom, Second Edition, Take Control of Your M-Series Mac, and Take Control of Securing Your Mac. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.