But brb, which launched last week, offers a twist: a nostalgic nod to the days of AOL Instant Messenger.
Writer Adam Gopnik learned Internet chat from his son, Luke, and quickly caught on to such lingo as ‘brb’ and ‘gtg.’
And Luke taught me all of the abbreviations: “brb” means “be right back,” “U2” means “you too,” “g2g” means “got to go.”
by 1996, Internet chat acronym for be right back.
(I will) be right back.