There's no way around it. The global PC market is a complete mess right now. Though once written off by some as a short-term headwind, the carnage in this space now indisputably part of a more sweeping trend -- and we have the numbers to back it up. Recently research firms Gartner and IDC released their market share figures for the PC market, and they weren't pretty. In this video, Fool contributor Andrew Tonner discusses the fifth straight quarterly decline in this once-thriving market as well as some of the implications for specific companies in this space.