A smartphone is a mobile phone built on a mobile operating system, with more advanced computing capability and connectivity than a feature phone. A SMARTPHONE IS ONE DEVICE THAT CAN TAKE CARE OF ALMOST ANYTHING; IT’S A COMPUTER THAT’S HANDHELD! SMARTPHONES ALLOW INDIVIDUAL USERS TO INSTALL, CONFIGURE AND RUN APPLICATIONS OF THEIR CHOICE. ALL CELLPHONES ARE PDA’S BUT A SMARTPHONE IS USUALLY A PHONE WITH ADDED PDA CAPABILITIES OR A PDA WITH ADDED PHONE CAPABILITIES. ON A SMARTPHONE YOU CAN CHECK YOUR EMAIL, USE NEARBY WI-FI, HAVE AN CALENDAR AND REALLY COOL APPLICATIONS LIKE FACEBOOK OR TWITTER.