BarCamp, according to Wikipedia, is an unconference that “open sources” the organizational process of FooCamp by codifying it in a wiki and evangelizing it through a Web 2.0 tool kit. FooCamp comes from the term Foobar, which (oh, duh) is exemplified in…
// PHP code
$foo = ‘Hello’;
$bar = ‘World’;
$foobar = $foo . [...]