Market researchers estimate that more than one billion personal computers are in use worldwide.

VOA: special.2010.04.12

"I'm scared of copying my personal information to use, like my photos they can use for things which is not good for me, and I'm concerned about that.

VOA: special.2009.09.14

She says Mr.Obama could use his personal popularity among Europeans to help convince their leaders to back the war effort in other ways.

VOA: standard.2009.03.31