IBM 370: Not really beaten, so much as made less relevant by a shift to new technology. IBM PC: Not really beaten, so much as completely took over the world. M

IBM 370: Not really beaten, so much as made less relevant by a shift to new technology. IBM PC: Not really beaten, so much as completely took over the world. Most servers are PC descendants, as are Macs and basically everything else that isn't a tablet or phone. Sony: (Assume you mean the Walkman) Not really beaten, so much as made less relevant by a shift to new technology. DOS: Not really beaten, so much as replaced with a new product by its manufacturer. Kodak: Not really beaten, so much as made less relevant by a shift to new technology. Windows: Still enjoys 90% market share. AOL: Not really beaten, so much as made less relevant by a shift to new technology. Netscape: Beaten. But seriously, who thought they were unbeatable? IE: Beaten. Thank goodness. Krispy Kream: Who? MySpace: Beaten. Real estate: Market bubbles aren't quite what we're talking about here. Toyota: 20% market share is hardly a lock on the industry.