tech
December 31, 2025
The phone is dead. Long live . . . what exactly?
"We're not going to be using iPhones in 10 years," Callaghan says flatly. "I kind of don't think we'll be using them in five years."

TL;DR
- True Ventures co-founder Jon Callaghan believes smartphones are inefficient interfaces and will be obsolete within 10 years.
- The venture capital firm is actively investing in alternative human-computer interaction methods.
- Sandbar, a voice-activated ring for capturing thoughts, is one such investment embodying this thesis.
- True Ventures focuses on betting on new behaviors enabled by technology, not just the devices themselves.
- The firm maintains a disciplined approach to capital, focusing on seed-stage investments.
- Callaghan expresses concern about the capital intensity of the current AI cycle but sees value creation in the application layer.
- The smartphone market is saturated, while wearables are experiencing double-digit growth, supporting the shift in interaction methods.
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