THE WORLD OF SMARTPHONES Ding A smartphone goes off in a crowded room People look through their backpacks purses and pockets They hurry to check their phones They want to find a notification on their screen Each person wonders who might have contacted them and why A sound from a phone could mean many different things A SMARTPHONE IN ACTION A girl checks her phone She sees that she has received a text message It is from one of her friends She taps a reply on her smartphone’s virtual keyboard She adds a smiley face emoji Smartphones allow people to do many things on the go such as play games write messages and take photos
REPLACED BY SMARTPHONES Smartphones have replaced several tools people used in the past There are apps for calculators notebooks maps and cameras People can stream movies without a television and listen to music without a radio Many people like having one device that does all of these things It is easier to carry around and hits send Her phone dings again moments later The girl reads the new text Then she closes her messaging app She checks one social media site then another She opens a game she has been playing and checks her score She scrolls through her recent photos Then she takes a new picture and sends it to her friend Smartphones can do many things They can send messages and connect people They can run games and take pictures But what happens inside smartphones to make all of these things possible Smartphones can be used for alternate reality AR games such as Pokémon Go
