Social Media

This article touches on something I think we all knew but it is still interesting to read the facts. The next few years are going to be an interesting time for media outlets with the popularity of social networking sites. Constant Contact may be out of business.... Here is the article, its interesting. 

http://mashable.com/2009/03/09/social-networking-more-popular-than-email/

It is safe to say that new advertising and marketing plans will need to be made, but my question is, Are business plans going to change? Are existing businesses going to have to change business plans in order to survive?