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Wearing the Agent: From Group Chats to Glasses — Sai Krishna Rallabandi, Fidelity Investments

AI Engineer · Jul 29, 2026 · Engineering Insights

AI agents must evolve from single-user to group settings and always-on wearables

“we might be entering an era where we are deploying these agents in group settings and group settings pose uniquely different challenges compared to settings where we have single users”

Fidelity engineer Sai Krishna Rallabandi argues that while building single-user agents is now solved, the next frontier is group-deployed and wearable agents that are always on. He has been running an agent called Judith in a group chat among friends and family for 8 months as a real-world testbed for this hypothesis. The shift from one-to-one to one-to-many agent deployment surfaces fundamentally different engineering and social challenges.

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