20. Cell Phones

Cell phones have come a long way, and they have become integrated with the daily lives of millions and even billions around the world. Can you believe some countries have more cell phones than people? It’s amazing, and whether good or bad, cell phone innovation is not slowing down anytime soon.

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Sources:

https://books.google.com/books?hl=en&lr=&id=3WNnM7iZF_QC&oi=fnd&pg=PP1&dq=history+of+the+cell+phone&ots=JNE0fbq9cL&sig=ocGxHWJ-z-c8ulPfT4nyoHDaSn0#v=onepage&q&f=false

https://www.androidauthority.com/motorola-microtac-folding-phones-980732/

https://www.insider.com/the-history-of-the-cellphone-2018-7#the-first-phone-weighed-over-two-pounds-1

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https://www.darpa.mil/about-us/timeline/personalized-assistant-that-learns

http://phones-thenandnow.weebly.com/1990-2000.html

https://www.bing.com/videos/search?q=what+is+5G&&view=detail&mid=30F68129DDF3645A1FB230F68129DDF3645A1FB2&&FORM=VRDGAR&ru=%2Fvideos%2Fsearch%3Fq%3Dwhat%2Bis%2B5G%26FORM%3DHDRSC4

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