Signal's Meredith Whittaker says AI agents doing tasks on users' behalf pose security and privacy risks and refers to their use as "putting your brain in a jar" (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch: Signal's Meredith Whittaker says AI agents doing tasks on users' behalf pose security and privacy risks and refers to their use as “putting your brain in a jar”  —  Signal President Meredith Whittaker warned Friday that agentic AI could come with a risk to user privacy.