Twitter says its service provides a way for people to stay connected to others, through messages describing what they are doing at that moment.

VOA: special.2009.02.06

It is a ground-up call to action that is forcing both parties to change the way that they are doing business, and that is beautiful."

VOA: special.2010.03.06

He says one way of doing so was to provide a fully-equipped telescope.

VOA: special.2009.10.27

In doing so, he ended a good way to earn a living.

VOA: special.2010.07.25

He says what NATO is doing is a start, but there is still a long way to go.

VOA: standard.2010.06.16

But the Afghans often have their own way of doing things. And that sometimes conflicts with U.S.-led efforts to forge a larger, more independent Afghan security force.

VOA: standard.2009.12.13