Why to use Sharepoint - Sharepoint Features Advantages and Disadvantages

Introduction

Actually this is just personal opinion about sharepoint, and I'll update it periodically with any new discoveries

I started to use sharepoint some months ago ..
So Not all things mentioned here are professional opinion, So feel free to discuss with me your opinions .

Sharepoint Advantages

• Extreme Integration with other Microsoft products, like Lync, Outlook and Office suite etc.
   So you can integrate sharepoint site easily with outlook in minutes and login with windows accounts, using active directory of course .
  We can discuss integration capabilities later, if you want ...
• Very useful for intranets due to its massive integration capabilities 
• Many out of the box features like polls, discussions etc.

Sharepoint Disadvantages 

• Very Heavy (Not very good in performance)
• Requires Massive Hardware architecture (Server Farm)
• Doesn't play well with all browsers, but it's improving with new versions

Share you ideas and opinions with me ...