I was reading through some blogs and found some interesting facts about SharePoint at http://www.pointsharepoint.com:
 
Quick Facts about SharePoint. Why we love SharePoint?
  • SharePoint is the fastest-growing product in the history of Microsoft
  • More than 100 million licenses sold
  • Has attracted over 17,000 user companies
  • Over $1 billion in sales for Microsoft
  • 3/4 of the Fortune 100 companies use SharePoint
  • SharePoint is positioned as a leader within the Gartner Magic Quadrant for Horizontal Portals products
  • Six focus areas : Collaboration, Portal, Search, Enterprise Content management , Business process management and Business intelligence