It Adds Up (and Up, and Up)

This article talks about how gadgets and technology has evolved over the years. such as a man named Jon green who used to use an antenna which consisted of 7 channels for his tv. now he uses cable and satellite which shows how much it has advances. he used to also use big wire telephones, and now he uses a cell phone as does everyone else. many people from grades 4 and up are starting to get cell phones and it shows that it is not an adult thing any more yet it is for all ages.