A tweet is an individual Twitter update,or message.

VOA: special.2009.02.06

The Institute of Medicine, which advises the U.S.government on health, is expected to update its recommended amount of vitamin D by September.

VOA: standard.2010.05.28

The group is part of the Digital Due Process Coalition that is working to update on-line privacy laws.

VOA: standard.2010.06.22

"Hello" and "Say You,Say Me." Three years ago, he turned to some popular hip-hop producers to update his sound for his "Coming Home" album.

VOA: standard.2009.06.24

So far, there is no pending legislation to update the Electronic Privacy Communications Act.

VOA: standard.2010.06.22

White House officials acknowledge it is time to reinvigorate and update the U.S.-Japan relationship.

VOA: standard.2009.11.12

As long as the U.S. nuclear threat persists, the Democratic People's Republic of Korea will increase and update nuclear weapons as a deterrent as needed in the future.

VOA: standard.2010.04.11

"He has improved information-sharing, increased intelligence support to our troops in Afghanistan and Iraq, upheld civil liberties, and he played a key role in our effort to update and reorient our intelligence community to meet the threats of our time."

VOA: standard.2010.06.05