Dana Gardner posts a very insightful commentary on future of lead generation and the market forces behind the acquisition of Jigsaw by Salesforce.  The future belongs to players who can serve as matchmakers to potential buyers and sellers.  

http://blogs.zdnet.com/Gardner/?p=3572.  Highlights are reprinted here:

"These [search and real-time] players are poised to grease the skids leading to a lead generation economy, one that makes conventional and current online advertising no more relevant than rabbit ear antennas for the top of your black and white television."

When you are accustomed to thinking of online advertising as the future, it's funny to say  "traditional" online advertising aloud.  If it feels so last decade, it is because of the lack of immediate contextual relevance and alignment with user intent.

"Only a year into the data-driven decade, and the ways in which user-, buyer- and social-interactions are rapidly being brought to bear on B2C and B2B commerce are piling up — as never before. The model makes especially good sense for B2B, as these decisions are more often data- and information-driven, not emotionally charged as the advertising-juiced B2C domain so often is. And more and more...