A new Apple iPad on display using the video during an Apple event in San Francisco, Wednesday, March 7, 2012. The new iPad features a sharper screen and a faster processor. Apple says the new display will be even sharper than the high-definition television set in the living room. (AP Photo/Paul Sakuma)
Ken Colburn is president of Data Doctors Computer Services and host of the Data Doctors Radio Program, noon Saturdays on KTAR 92.3 FM or at www.datadoctors.com/radio. Readers may send questions to firstname.lastname@example.org.