Denise Garrido, seen here in a photo from her Twitter page, was mistakenly declared the winner of the Miss Universe Canada pageant on May 25 because of a computing error.
Former President Bill Clinton has embraced social media by opening a Twitter account. To join the 400,000 followers he has collected so far, find him at #Bill Clinton.
"The Five" co-host Bob Beckel (Twitter)
This photograph, taken from a surveillance camera in Boston and posted on Twitter, shows one of the suspects of the Boston Marathon bombing in the same frame with a boy who appears to be 8-year-old Martin Richard, who was killed in one of the blasts. The circle at bottom right appears to be a backpack or a package. (Credit: Twitter)
A photo posted on the Twitter page of the D.C. Firefighters Association shows a Northeast blaze that injured two people Sunday.
Digital writer Douglas Ernst was suspended from Twitter during the coverage of the Kermit Gosnell murder trial. (Image: Twitter)
The Kermit Gosnell trial has caused conservatives to take to Twitter in droves to counter what they view as a media blackout of the murder case. (Image: Twitter)
A screen grab of former President Bill Clinton's faux Twitter account for comedian Stephen Colbert.
Anne W. Patterson, U.S. ambassador to Egypt, apologized to Egyptian President Mohammed Morsi over a Twitter link to a joke by comedian Jon Stewart the president didn't appreciate. (Associated Press)
** FILE ** Argentinian President Cristina Kirchner with Pope Francis in this Twitter photo posted on Kirchner's social media page.