1. What were cell phones mainly used for?
1. Cell phones were mainly used for calling and sending texts.
2. Are modern cell phones capable of internet access?
2. Yes, they are.
3. How has the smartphone revolution changed our lives?
3. The smartphone revolution has made our lives easy.
4. Do smartphones make us lazy and inactive?
4. Yes, they do.
5. How often do teenagers look at their cell phones?
5. Teenagers are constantly glued to their cell phones.
6. Is smartphone overuse good or bad for us?
6. Smartphone overuse is bad for us.
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