I didnt realize how much is happening behind the scenes every time I use Wi-fi or my phones data before this chapter. I never thought about all the different generations of wireless networks that made it possible. I did not know the difference between 1G through 5G and how each generation made faster connections and new things possible like streaming, Gps, and video calls. What stood out the most for me in this chapter was the part about wireless security. I knew it was risky to use public wi-fi, but I did not know how serious it was until now. Or also leaving bluetooth on all the time.  

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