Final answer:
I have used a smart phone, a tablet, and an mp3 player as high-tech inventions.
Step-by-step explanation:
I have used the following high-tech inventions:
- a smart phone
- a tablet
- GPS
- an mp3 player
These high-tech inventions have become common among people of all ages and are widely used for various purposes. For example, a smart phone is not only used for communication but also for accessing the internet, taking pictures, and playing games. Similarly, a tablet serves as a portable device for browsing the web, reading ebooks, and watching videos. Lastly, an mp3 player is used for listening to music and audio files on the go.
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