Why Blogging is essential for Business?

With reference to Business Blogging means write blog on relavant topics on product, service offering, pricing etc. Why it is necessary for any business to create Blog? Is it really gives result? What we loose if we dont? Check following fact about blooging.

 The article "Blog Benefits: Traffic, Links, and Indexed Pages" summerises the power of blogging in search Engine.

• 55% more visitors
• 97% more inbound links
• 434% more indexed pages

From above we conclude that we not keep separate from blogging else your competitor will eat your business. So When you starting Blogging?