SharePoint, for Microsoft, has grown into a billions-of-dollars-a-year sort of business that increases its market share in the double-digit range each year. Not to put too fine a point on it: SharePoint is a beast in its space. Companies are adopting it worldwide to centralize knowledge, increase collaboration, develop applications on top of it and realise actionable intelligence about their overall business health.
However, SharePoint 2013 represents a major new release in the lifecycle of the product, and that may cause you to wonder what it is, what it can do for you and what your organisation needs to know before considering and deploying it. Here's a brief SharePoint 2013 cheat sheet to help you sort out with some of those concerns.