Final answer:
The smartphone is the invention from the 1950s that changed human life permanently.
Step-by-step explanation:
The smartphone is the invention from the 1950s that contributed to changing human life permanently. Before the smartphone, mobile phones were limited to voice communication only. However, the smartphone revolutionized communication by integrating features like internet access, email, multimedia capabilities, and various apps. It has become an essential device for communication, entertainment, productivity, and information access in our daily lives.
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