Cellphones through the years

April 3, 2013 1:01 PM

The first mobile phone call was made 40 years ago on April 3, 1973, using a Motorola DynaTAC, nicknamed a "brick" because of its size. Four decades later, cellphones are slimmer, sleeker and used for much more than making phone calls. Here is a look at how mobile phones have changed over the years.