Uploaded March 2026 | Updated September 2026, 2 weeks ago

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Electronics used to stay in one place.​

Transistors made tech portable.​

​Learn more about AT&T’s impact as we celebrate 150 years since the first phone call: youtube.com/playlist?list=PLxgUkHTvXNobEZf1gSKNv-Hra3qcijktQ&si=s5_4q3ukog7oavKS

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