Knowing your audience and speaking their language are obviously important.

FORBES: Fourteen Points On Growing A Blog

Knowing that your audience is increasingly accessing content via mobile phones and tablets creates a key challenge for brands in determining the optimal length of the content.

FORBES: How To Create Breakthrough Branded Web Content

Knowing which version will be more effective for your audience, for your particular message or product, is the key to finding fit.

FORBES: Use Motivational Fit to Market Products and Ideas