best 
WebMarketCentral
SEPTEMBER 3, 2009
Discover the answers to these questions and others here in the penultimate list of the best posts on social media marketing from the past year. Take advantage of new tools to raise your own profile by commenting on existing content?
Online Marketing Institute
JULY 31, 2009
I would put Demandbase here along with firms like Active Conversion, Hubspot, iHance, Leadlander, Sales Genius, and Zoominfo. PS – You included HubSpot in the list of “outbound” marketing systems, and I just wanted to make clear that the complete opposite is true – HubSpot is an inbound marketing system. I’m sure I forgot a few.
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