Recreational marijuana goes on sale in Colorado beginning January 1. Justin Hartfield, CEO of Ghost Group plans to help buyers by operating Weedmaps.com, a listing and review site for dispensaries. ... more 
Recreational marijuana goes on sale in Colorado beginning January 1. Justin Hartfield, CEO of Ghost Group plans to help buyers by operating Weedmaps.com, a listing and review site for dispensaries. Hartfield is keeping an eye on supply and pricing as there is concern that Colorado may sell out of its supply if out-of-state buyers come in. less 
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