Widespread bans don’t seem to be a hindrance
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The technology presents dazzling opportunities—and ominous risks
That undermines the case for blanket bans or time limits, writes Sema Sgaier
But the case for bans is weak and the benefits are uncertain
That means targeting mechanisms engineered to rewire the brain’s reward system, writes Marie Potel-Saville
Why coders and call-centre agents are especially vulnerable to the technology
Startups claim they can screen embryos for everything from genetic diseases to IQ. Not everyone is convinced
