The Cutting Edge of Technology

The technology mentioned in this book is really amazing! Just like an electronic reconnaissance satellite, it is simply an "eavesdropping expert"! Think about it, if we had such technology in our lives, wouldn't we be able to better protect ourselves and our families? Moreover, the book also talks about many other technologies, which opened my eyes. I think this book is very suitable for friends who like technology, and they will gain a lot!