Description: Most adults carry a tiny computer around in their pocket all day, every day! Smartphones are just the latest in personal computing technology, and most young readers are already familiar with those as well as tablets and other computers. This volume explores just how pervasive computer technology is in daily life, highlighting the positives and negatives of this. The history of computers and how they work is also part of this comprehensive book, with detailed diagrams and text written just for curious young readers.