Okay, kiddo! Judy Wajcman is a very smart lady who studies how people use technology. You know how you like to play on your tablet or watch videos on your phone? Well, she wants to know how adults use those things too!
She also wants to make sure that everyone has the same chances to use technology. Sometimes, girls or people who aren't rich don't get as many chances to use technology. Judy Wajcman wants it to be fair for everyone!
Finally, she thinks that technology can't solve all our problems. Sometimes, it even makes problems worse! She tells us to think carefully about how we use technology and what might happen if we use it too much. So, in short, Judy Wajcman studies how people use technology, wants everyone to have a fair chance at using it, and reminds us to be careful how we use it.