My Smartphone and Other Digital Accessories

My Smartphone and Other Digital Accessories — page 3
Smartphones Experts estimate there will be 6 1 billion smartphones in use around the world by the end of this decade China is the biggest market for smartphones 30 million were sold in just one month in 2012 India and the United States are not far behind Smartphones are expensive but many people still upgrade their model every 18 months to 2 years What is in a smartphone There are hundreds of different parts to a smartphone each made from a wide range of materials including copper in the wires gold in the circuit boards and over 40 different chemical elements All phones contain around 0 7 ounces 20 g of tin which is used to make the solder that holds the parts together The electronics industry uses almost half of all the tin mined today Phones are often seen as disposable In the U S alone about 140 million smart and mobile phones end up in landfill sites every year 6