The man told the authorities that he was a former Marine and that he had obtained the weapons from a military friend linked to drug smugglers in Michigan, officials said.
It allows people to "like" a person, rather than necessarily become a friend linked through the network.
The Facebook app calls in the YouTube app when a friend links a video, for instance, and it plays in-line without leaving the app.
She reported that her Facebook feed was largely taken up by friends linking to stories about the royal birth and by others "unfriending" people who had posted such links.
However, Dogster also encourages pets to become friends, linking them on the site.
Friends linked arms to stay warm, and couples hugged under blankets.
Michelle told N-TV that her terrified friends linked arms for safety, but their attackers were "full of anger" and tried pulling them off in separate directions.
Yet there are references to MI5 and MI6 officers who believed Wilson was a Soviet agent or had friends linked to the KGB.
For example, on LiveJournal, you can click a "friends" link and catch up on your friends' experiences without ever speaking, with everyone's accounts posted next to one another in a kind of word collage.
In it, you and your friends, linked by audio headsets, hide out in a ruined building, and yellow-eyeballed zombies in Nazi uniforms lurch toward you mumbling and waving their arms and trying to eat your head.
Family members and friends linked arms as they walked slowly, heads bowed and sobbing, into the house where Mr. Grunow lived with his wife, 5-year-old son and newborn baby.
