James Buck, an American graduate student who used the Twitter micro blogging service to notify his friends on the site when he was being detained in an Egyptian Jail, is now using Twitter and other online efforts to free his translator, Mohammed Maree, who was jailed on the same day.

Buck's online efforts include capitalizing on his 570-friend Twitter network by posting numerous updates, as well as blog posts on his Web site, and an electronic petition.

According ...