Smartphone craze

By the end of 2009, having a basic cell phone wasn't good enough anymore. Now the standard is a smartphone -- a mobile phone that also acts as a computer -- and links its users to Facebook, Twitter and the rest of the digital universe.

Despite the economic recession, the smartphone market expanded. It was fueled in part by the popular iPhone but also by an increasingly diverse set of smartphone choices, including the Droid, BlackBerry and Pre. Smartphone sales worldwide for 2009 were up 24 percent compared with 2008, according to Gartner Inc., a research company.

Thanks to these phones, people this year grew accustomed to sending e-mail, uploading photos and videos and posting status messages from anywhere, at almost anytime.