They run on the company's network and secure software.

VOA: special.2010.08.06

Software can be added to identify things that are not usually there, like a bag left on a bench.

VOA: standard.2010.04.01

Brazil wanted to hit the U.S. where it would hurt more: by breaking patents on pharmaceuticals and copyrights on movies and software.

VOA: standard.2010.04.28