As a candidate, Barack Obama harnessed the power of social-media sites such as Twitter, Facebook and YouTube. So it's no surprise that his administration recently set up official profiles for the White House on these sites and more.
Bart Farrell bought an Apple iPhone a little more than a year ago, and it has since become his device of choice for tasks he could have only dreamed of performing on his old flip phone: Checking movie showtimes and paying for admission. Buying tickets to the coming Metallica concert. Looking up maps on the fly to find nearby stores and restaurants.