Rapper causes an uproar at a Microsoft Store October 2, 2012 by admin Tweet Machine Gun Kelly, a rapper known for his fast lyrical flow was in a Microsoft store performing last week, when things escalated for the worst. He was reportedly giving the middle finger to employees. Read more… Neowin Related Posts:The new Microsoft Store app update lets users pick…Google likely to lay off 10,000 ‘poor performing' employeesMicrosoft is reportedly working on a "Steam of…Windows 365 gets new SKU, coming soon to the Microsoft StoreThese are the Open App Store Principles for…