What does HLO stand for?

MLA style: "HLO." Acronym Finder . 2012. AcronymFinder.com 30 May. 2012 http://www.acronymfinder.com/Hello-(HLO).html
Chicago style: Acronym Finder . S.v. "HLO." Retrieved May 30 2012 from http://www.acronymfinder.com/Hello-(HLO).html
APA style: HLO. (n.d.) Acronym Finder. (2012). Retrieved May 30 2012 from http://www.acronymfinder.com/Hello-(HLO).html

Hello

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