Helios and Matheson Add Function to Growing RedZone Map App – Yahoo Finance / / No Comments Yahoo Finance Helios and Matheson Add Function to Growing RedZone Map AppYahoo FinanceHelios and Matheson (HMNY) acquired the RedZone Map app last summer. I just got back from the trip of a lifetime to Hawaii and found this Helios and …and more » map app – Google News… more → Posted in: Interactive Maps Tagged with: Finance, Function, Growing, Helios, Matheson, RedZone, Yahoo