If home broadband is an always on connection, then mobile may be characterized as always present for users. <a href="http://www.pewinternet.org/topics/Mobile.aspxSmartphone:">http://www.pewinternet.org/topics/Mobile.aspxSmartphone:</a> ??????typically runs its own operating system, has the ability to install applications, frequently sports a QWERTY keyboard, and offers device owners advanced features such as email, instant messaging, mobile Web browsing, office a