Whether they're for clients, customers or colleagues, visual presentations are an unavoidable part of doing business. For years, Microsoft PowerPoint has been the standard bearer of slide presentation applications, but several Web-based alternatives have emerged. For the most part, the alternatives offer similar functionality to PowerPoint, sometimes more, sometimes less. One obvious advantage to Web-based presentations is that they're stored in the cloud, eliminating the potential for nightmare scenarios involving lost or corrupted thumb drives. Prezi
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